269 results for “Exploitation”

CVE-2026-98432 is a use-after-free race condition in the Linux kernel IPv4 TCP code (tcp_v4_syn_recv_sock, ireq_opt), affecting kernels back to 4.4 and rated 9.8 by the kernel CVE team (Red Hat rates it 5.9). Anthropic researchers say an unreleased Claude model built an exploit that bypassed KASLR and got remote root on an MPTCP listener in about 53 minutes. The article lists distro patch status and CIQ's nftables mitigation for IP options; disabling MPTCP alone does not help. No in-the-wild exploitation is reported.

bleepingcomputer.comarticlePublished and added 30 Oct 2026🛡️ Security

Cloudflare's follow-up on eMudhra's eight trivially recoverable intermediate CA keys (such as 4, 56 and 66), disclosed 19 October 2026. Pingora logging showed about 22,000 handshakes with the weak keys, including about 160 forged certificates made within hours of disclosure. Probes on 50 million challenge pages show many bots, old browsers and Android WebView still trust the chain.

blog.cloudflare.comwriteupPublished and added 30 Oct 2026🛡️ Security

CISA added two Ivanti Connect Secure vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog on 30 October 2026, citing evidence of active exploitation: CVE-2026-111357 (missing authentication for a critical function) and CVE-2026-118527 (generation of predictable numbers or identifiers). The alert restates BOD 26-04, which requires federal civilian agencies to remediate KEV-listed flaws on exposed assets and check for prior compromise. It also links the KEV nomination form.

cisa.govadvisoryPublished and added 30 Oct 2026🛡️ Security

VulnCheck's vulnerability disclosure policy, last revised March 2026, sets a 120 day deadline for vendors to patch or publish an advisory, after which VulnCheck publishes an uncoordinated third-party advisory. The deadline drops to 7 days if exploitation in the wild is found. Other terms: no extensions, email-only communication, any published patch counts as public disclosure, and no participation in programs that bar public disclosure.

vulncheck.comotherAdded 29 Oct 2026🛡️ Security

CISA alert of 29 October 2026 adding two vulnerabilities to the Known Exploited Vulnerabilities catalog on evidence of active exploitation: CVE-2026-97229, an integer overflow in GitLab CE/EE, and CVE-2026-76418, a NULL pointer dereference from an unchecked return value in Cisco Secure Firewall ASA and FTD. It restates BOD 26-04 remediation duties for federal civilian agencies and links the KEV nomination form.

cisa.govadvisoryPublished and added 29 Oct 2026🛡️ Security

Cisco Talos Incident Response Q3 2026 trends report. Phishing led initial access at 37 percent, with vishing and IT help desk impersonation to get RMM access; public-facing exploitation followed at 33 percent. Ransomware reached 27 percent of engagements (Qilin, Rhysida, Interlock, new VYPR), with EDR killers via BYOVD and WDAC. It also covers Salt Typhoon intrusions using CVE-2023-20198 and BadCandy, attacks on Claude Code credentials, and logging, MFA and secrets recommendations.

blog.talosintelligence.comarticlePublished and added 29 Oct 2026🛡️ Security

Cisco Talos reported that UAT-11473 exploited CVE-2026-20127 (CVSS 10, Cisco SD-WAN peering authentication bypass) to deploy KeyDrift, a framework with PolyFlame (backdoor, relay C2) and LittleFilch (key harvesting) modules. Talos found its infrastructure overlaps considerably with Volt Typhoon's Silent Train network. Lumen Black Lotus Labs tied Silent Train to zero-day campaigns against Versa Director, N-able N-central, Cisco Catalyst SD-WAN and VeloCloud Orchestrator.

securityweek.comarticlePublished and added 29 Oct 2026🛡️ Security

CVE-2026-76418 (CVSS 8.6) is an exploited flaw in the Remote Access SSL VPN service of Cisco Secure Firewall ASA and FTD. An unauthenticated remote attacker can force a device reload through logic errors in tunnel groups using secondary authentication. Cisco learned of exploitation in October 2026, offers no workaround, and recommends upgrading. It is the second ASA/FTD DoS zero-day after CVE-2026-20349 in August.

securityweek.comarticlePublished and added 29 Oct 2026🛡️ Security

Aikido's analysis of the PHP2Shell disclosures (CVE-2026-109618 and CVE-2026-109619), published October 2026. It covers the timeline: the CVE IDs leaked on 20 October, PHP moved its release to 21 October, and Amazon reports exploitation attempts from 17 October. It cites Censys data (32.5 million services still affected on 27 October) and argues that AI-driven discovery and exploit building call for shorter embargoes and faster patching.

aikido.devarticleAdded 28 Oct 2026, published 29 Oct 2026🛡️ Security

CVE-2026-41709 is a low-severity insufficient-logging flaw in VMware ESXi that lets a logged-in administrator perform operations without audit entries. CISA added it to the KEV catalog, and CrowdStrike reported that China-nexus actor Warp Panda used it as a zero-day against US organizations, including law firms, to cut audit visibility. The article also covers exploitation of vCenter bugs CVE-2026-59309 and CVE-2026-59310 and lists the fixed ESXi builds.

securityweek.comarticlePublished and added 29 Oct 2026🛡️ Security

Alpine Linux incident report on attempted exploitation of CVE-2026-97229 (CVSS 10.0), a regex-evaluation bug in Ruby's Onigmo engine reachable through GitLab CI configuration. An attacker crashed workers 8 times on 20 and 21 October 2026. Upgrading to GitLab 19.3.6 did not fix it because the patch sits in GitLab's bundled Ruby. Alpine rebuilt the instance and found no tampering with aports or releases.

alpinelinux.orgwriteupAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

CISA advisory ICSA-26-302-03, republished from Hitachi Energy PSIRT 8DBD000258, covers OS command injection (CVE-2026-13162) and the Dirty Frag vulnerability (CVE-2026-43284) in Hitachi Energy CoreTec. CoreTec5 up to 3.4.0 and 5.0.0 are affected by both, and CoreTec4 up to 3.4.0 by CVE-2026-13162. The advisory was released 27 October 2026 and lists generic ICS mitigations. SSVC rates exploitation as none.

cisa.govadvisoryAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

Trail of Bits post says it achieved remote code execution through a Brotli decoder bug in Linux lab setups: Node.js 24.22.0 with Express 5.3.0 via the standard JSON parser (x86-64 and ARM64), and Electron 41.10.7 (x86-64) with a custom decoding service. Exploitation needs a carefully matched setup and repeated attempts. A scanner by ToBScottA finds hidden copies of the decoder, including in stripped binaries.

x.comthreadAdded 30 Oct 2026, published 28 Oct 2026🛡️ Security

CISA alert of 28 October 2026 adding two vulnerabilities to the Known Exploited Vulnerabilities Catalog on evidence of active exploitation: CVE-2026-41709 (Broadcom VMware ESX insufficient logging) and CVE-2026-46300 (Linux kernel missing variable initialization). It restates BOD 26-04, which requires federal civilian agencies to prioritize fast remediation of KEV CVEs on exposed assets and to check for prior compromise. It also links the KEV nomination form.

cisa.govadvisoryAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

Gemini 4 Carbon is a new Google model, announced in a TestingCatalog post on X as taking first place on the Artificial Analysis V5 ranking. It is rolling out to cyber defenders first. Reported scores are 88.2% on SEC-bench Pro (finding vulnerabilities), 54.8% on ExploitGym (exploitation) and 71.0% on CWE-bench (patching). The post calls it a large step up from Gemini 4 Argon, released two weeks earlier. It gives no technical detail beyond these claims.

x.comthreadAdded 30 Oct 2026, published 28 Oct 2026🧠 AI

Gemini 4 Carbon is Google's frontier model, announced with cybersecurity results: 88.2% on SEC-bench Pro (finding vulnerabilities), 54.8% on ExploitGym (exploitation) and 71.0% on CWE-bench (patching). Google reports 0.0% attack success on Gray Swan's indirect prompt injection benchmark. Access starts with a subset of cyber defenders through the Fairwind Program. Pricing is $2 per million input tokens and $10 per million output tokens.

blog.googlearticleAdded 29 Oct 2026, published 28 Oct 2026🛡️ Security

Gemini 4 Carbon is Google DeepMind's frontier model, announced with a focus on cyber defense. DeepMind reports 88.2% on SEC-bench Pro (finding vulnerabilities), 54.8% on ExploitGym (exploitation) and 71.0% on CWE-bench (patching), run without guardrails. It also reports 0.0% attack success on Gray Swan's indirect prompt injection benchmark. Access starts with a subset of cyber defenders via the Fairwind Program.

deepmind.googlearticlePublished and added 28 Oct 2026🛡️ Security

Chrome 156 and Firefox 159 security updates fix over 200 vulnerabilities. Chrome 156 patches 52 flaws, four critical, including CVE-2026-118306, a FileSystem memory corruption bug that allows code execution outside the sandbox via a crafted HTML page. Firefox 159 fixes 167 flaws, 108 high severity, mostly use-after-free, plus Thunderbird and ESR releases. No in-the-wild exploitation is reported.

securityweek.comarticlePublished and added 28 Oct 2026🛡️ Security

Thread on CVE-2026-97631, a critical (9.5) flaw in TianoCore EDK II UEFI firmware, found by Alex Matrosov and Dan Holmes-Mitra. It is exploitable only while a machine is PXE network booting and the attacker sends an oversized ICMP error from the same network. Code execution also needs the exact firmware build, and Secure Boot does not help. The fix landed in EDK II main on 15 October but is not in a stable release. No known exploitation, and not in CISA KEV.

x.comthreadAdded 30 Oct 2026, published 28 Oct 2026🛡️ Security

CVE-2026-111497 (Node2Shell, also HTTP2Shell and Broccoli2Shell) is an out-of-bounds write in the Brotli decoder, affecting versions 1.0.3 through 1.2.0. CISA added it to the KEV catalog on 27 October 2026 with a federal deadline of 10 November. Previdian and ELLIO logged exploitation attempts; ELLIO found the observed exploit broken but achieved code execution itself, and Broadcom's VMware SDDC Manager patches are pending.

securityweek.comarticlePublished and added 28 Oct 2026🛡️ Security

CISA alert of 27 October 2026 adding two vulnerabilities to the Known Exploited Vulnerabilities (KEV) Catalog on evidence of active exploitation: CVE-2026-48356, an unrestricted upload of a dangerous file type in Adobe Commerce and Magento, and CVE-2026-111497, an unchecked return value in Google Brotli. It restates BOD 26-04, which makes federal civilian agencies prioritise KEV flaws on exposed assets and check for prior compromise. No technical detail or IOCs are given.

cisa.govadvisoryAdded 29 Oct 2026, published 27 Oct 2026🛡️ Security

Tailworm is a set of 11 findings, published by Cyberdione Labs before patches, in Tailscale client 1.104.2 and headscale 0.29.5. Four of six high-severity bugs affect Tailscale SSH, where root-privileged forwarding safeguards can be bypassed, giving root on reachable servers and wormable spread at under a second per hop. Tailscale advises reviewing SSH policies and disabling forwarding until a patched client ships. No in-the-wild exploitation is reported.

securityweek.comarticlePublished and added 27 Oct 2026🛡️ Security

Wiz Research follow-up on PHP2Shell (CVE-2026-109618, CVE-2026-109619) after the 21 October 2026 disclosure. Honeypot data shows two variants of an open source exploit kit, one stopped by post_max_size and the other by failed memory leaks and worker pinning, plus PHP2Shell-branded tools that rely on session poisoning and LFI. Daily exposed vulnerable machines fell about 67%.

wiz.ioarticlePublished and added 27 Oct 2026🛡️ Security

HPE released patches for 72 vulnerabilities in the AOS-8 and AOS-10 wireless operating systems of its Aruba networking products, including 33 critical flaws. Eight max-severity bugs (CVE-2026-79844 to CVE-2026-79851) allow unauthenticated RCE, authentication bypass and arbitrary command execution. Fixes are in AOS 8.10.0.24, 8.13.3.1, 10.4.1.14, 10.7.2.7 and 10.8.1.2. HPE reports no exploitation in the wild and advises restricting management interfaces to a dedicated VLAN.

securityweek.comarticlePublished and added 27 Oct 2026🛡️ Security

PHP2Shell exploitation (CVE-2026-109618, CVE-2026-109619) reached working shells on 24 October 2026, when Perplexity researcher Adel Karimi's honeypots (PHP 8.4.26, Apache mod_php, single worker) logged 35 shells across three servers. Attackers used a four-stage HTTP chain: memory exhaustion, memory leak, then shell command execution, matching a public PoC. No second-stage payload was seen, and CISA had not added the flaws to KEV as of 26 October.

securityweek.comarticlePublished and added 26 Oct 2026🛡️ Security

CVE-2026-111497 (Node2Shell) is an out-of-bounds write in Google's Brotli decoder, versions 1.0.3 through 1.2.0, rated CVSS v4 9.2. Fixed in Brotli 1.0.10, 1.1.1 and 1.2.1, with patches from Node.js, Microsoft (.NET, Visual Studio, PowerShell on October 25), PyPI Brotli and brotlicffi, Bun, Envoy and Istio. Imperva showed code execution on Node.js 24.22.0 arm64; no in-the-wild exploitation is reported and some researchers say it only enables DoS.

securityweek.comarticlePublished and added 26 Oct 2026🛡️ Security

CyberForge Weekly CVE Rundown #007 covers six CVEs from 19 to 24 October 2026: SiteGuard command injection (CVE-2026-106931), DB-GPT (CVE-2026-77932), Siemens Software Center DLL side-loading (CVE-2026-110936), Cisco Expressway (CVE-2026-76466), Node.js Brotli (CVE-2026-111497) and Arista VeloCloud (CVE-2026-114625). Each entry gives defender actions, fixed versions, exploitation status and primary-source links. Updated 25 October 2026 with CISA KEV and EPSS findings.

x.comarticleAdded 27 Oct 2026, published 25 Oct 2026🛡️ Security

CISA alert on CVE-2026-109618 and CVE-2026-109619 ("php2shell"), unauthenticated remote code execution flaws affecting PHP installations serving web requests, including mod_php, PHP-FPM, php-cgi, FrankenPHP and LiteSpeed. Fixed in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35. Updated 23 October 2026 with a Sigma rule, partner advisories (NSA, NCSC-UK, ASD ACSC, NCSC-NL, NCSC-NZ, Cyber Centre) and guidance to inventory PHP, patch internet-facing systems first, and watch for PHP workers spawning shells. No in-the-wild exploitation had been observed.

cisa.govadvisoryAdded 24 Oct 2026🛡️ Security

PHP2Shell is the name for CVE-2026-109618 and CVE-2026-109619, critical unauthenticated RCE flaws in PHP core fixed on 21 October 2026 in PHP 8.2.35, 8.3.36, 8.4.27 and 8.5.12. The page explains the out-of-memory corruption and stale global state causes, mod_php and PHP-FPM exposure, interim mitigations, hunting guidance, exploitation reports from October 2026, and the 23 October CVE-2026-115560 upload-progress advisory. Horizon3 also announced a non-exploiting NodeZero check.

horizon3.aiadvisoryAdded 29 Oct 2026, published 23 Oct 2026🛡️ Security

PHP2Shell (CVE-2026-109618 and CVE-2026-109619, CVSS v4.0 9.2) are unauthenticated RCE bugs in PHP, patched on 21 October 2026. Sophos, Arctic Wolf and Hunt.io tie exploitation attempts to the Potassium Mirai variant, and VulnCheck built an ASLR-bypassing exploit. SOCRadar and Hunt.io found an exposed attacker server, and Qualys data shows about 110 million instances on end-of-life PHP. No confirmed compromise exists.

securityweek.comarticlePublished and added 23 Oct 2026🛡️ Security

Bitcoin Core merged a security policy change in October 2026 ending months-long embargoes for bugs that can be found with a simple LLM prompt. Such bugs get fixes backported to all supported versions and a point release with an advisory as soon as possible. Author Antoine Poinsot accepts less bake time. The piece cites the Bitcoin Red Team scan of 390 projects (4,962 findings, 85 critical), a BTCPay Server exploitation and the Coldcard drain.

coindesk.comarticlePublished and added 23 Oct 2026🛡️ Security

Previdian Cyber reports an exploitation attempt against its FortiSIEM honeypot on 23 October 2026 at 09:43:32 UTC, targeting the FortiSIEM path traversal CVE-2026-106173. The request, from 85.192.29[.]68, POSTed to /phoenix.phoenixSvc/SendQueryResult on TCP 27918 with twelve ../ sequences in the query-id header, trying to overwrite /tmp/.fsmprobe with an empty file. It matches the file overwrite mode of the Horizon3.ai PoC; success is not confirmed. Mitigation: upgrade to FortiSIEM 7.5.1 or later and restrict TCP 27918.

x.comthreadAdded 25 Oct 2026, published 23 Oct 2026🛡️ Security

CVE-2026-111497 is an out-of-bounds write in the Brotli decoder bundled with Node.js (CWE-787, CWE-252), rated CVSS v4.0 9.2 by the Google CNA and High by the Node.js project. Fixes are Node 22.23.4, 24.22.1 and 26.12.1, and 24.22.1 still labels Brotli 1.2.0 because the fix was cherry-picked. The post gives a SOC trail from input to worker, with remediation and verification steps. It notes no KEV match, CISA SSVC exploitation none, and only unverified public lab claims.

x.comadvisoryAdded 26 Oct 2026, published 23 Oct 2026🛡️ Security

Atlassian's October 2026 security bulletin lists 162 high and 14 critical third-party vulnerabilities across Bamboo, Bitbucket, Confluence, Crowd, Fisheye/Crucible, Jira Software and Jira Service Management. SecurityWeek counts 75 unique CVEs, six critical, in Tomcat, Bouncy Castle, Netty and Apache SSHD. Atlassian rates them non-critical for its use, reports no exploitation, and the critical CVE-2026-65905 appears on the portal but not in the bulletin.

securityweek.comarticlePublished and added 23 Oct 2026🛡️ Security

MalwareTech thread arguing that many public "php2shell" exploits for CVE-2026-109618/CVE-2026-109619 are LLM hallucinations. The code shown is PHP session poisoning used to exploit local file inclusion in PHP apps, not a PHP vulnerability. It shares only the PHP_SESSION_UPLOAD_PROGRESS feature with the CVEs. Honeypot traffic shows non-working attempts, and AI-assisted triage wrongly confirmed mass exploitation. The real bug works only on a few PHP versions with specific configurations. Mitigation is setting session.upload_progress.enabled to Off.

x.comthreadAdded 24 Oct 2026, published 23 Oct 2026🛡️ Security

Horizon3.ai post on assessing exposure to PHP2Shell (CVE-2026-109618, CVE-2026-109619), two memory-handling flaws in PHP. It says affected PHP may be bundled in third-party products, containers or managed hosting, and that finding it shows a remediation need, not proven exploitability. It lists questions to ask hosting providers and says Horizon3.ai has validated exploitation under specific preconditions that are still being characterized.

horizon3.aiarticleAdded 29 Oct 2026, published 22 Oct 2026🛡️ Security

claude-red is a library of offensive security skills for the Claude Skills system, each a SKILL.md file that loads on conversational triggers (for example, mentioning SQL injection loads offensive-sqli). Categories include web, Active Directory, cloud, mobile, exploit development, fuzzing, privilege escalation, post-exploitation and AI. It targets about 130 skills across 23+ categories, with an install script and sparse-checkout install per category. Built on Sahar Shlichov's offensive checklists, MIT licensed.

github.comrepoAdded 22 Oct 2026🛡️ Security

SecurityWeek roundup of responses to PHP2Shell, two critical unauthenticated RCE flaws (CVE-2026-109618, CVE-2026-109619) fixed in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35 on 21 October 2026. It covers the exploitation timeline (first attempt 17 October), vendor exposure checks, Red Hat's lower 8.1 score against NVD's 9.8, detections from Cisco Talos, CrowdStrike and Corelight, and government alerts.

securityweek.comarticlePublished and added 22 Oct 2026🛡️ Security

Cisco's October 21, 2026 patch batch fixes 34 vulnerabilities in Expressway Series, IOS XR, Snort 3 and Unified Communications products. The critical Expressway RCE (CVE-2026-76466) lets an attacker reach the database service and run commands as root; it is fixed in X15.5.20. Snort 3 fixes ship in 3.12.4.0 and several Cisco security products. Cisco knows of no exploitation in the wild.

securityweek.comarticlePublished and added 22 Oct 2026🛡️ Security

PHP2Shell (CVE-2026-109618 and CVE-2026-109619) is a pair of critical PHP remote code execution flaws. Amazon saw the first exploitation on 17 October 2026, four days before patches on 21 October, and Cloudflare logged millions of attempts after disclosure. Censys, VulnCheck and VirusTotal counted over 1 million unpatched PHP hosts, and CISA urged updating to PHP 8.5.12, 8.4.27, 8.3.36 or 8.2.35.

securityweek.comarticlePublished and added 22 Oct 2026🛡️ Security

AINews issue of 20-21 October 2026 whose top story reconstructs PHP2Shell, two PHP-engine memory-corruption flaws (CVE-2026-109618 and CVE-2026-109619) with reported pre-auth RCE against WordPress, Drupal and Joomla. It covers the two-month coordinated response, separate discovery by Calif/OpenAI (GPT-5.6 Sol) and Wiz (Gemini 4 Argon), Cloudflare's WAF stopgap and NSA guidance. It lists open gaps: fixed versions, leak details, exploitation versus scanning.

latent.spacearticleAdded 23 Oct 2026, published 22 Oct 2026🛡️ Security

Oracle's October 2026 Critical Patch Update ships 1,295 fixes covering 1,209 unique CVEs, per Tenable's analysis: 95 critical, 439 high and 582 medium. Fusion Middleware got the most patches (206, 134 remotely exploitable without authentication), followed by E-Business Suite, Siebel CRM, Communications, PeopleSoft, JD Edwards, MySQL and Java SE. Oracle flags no exploitation in the wild and issued a separate alert for CVE-2026-91403 (eMudhra weak-key incident).

securityweek.comarticlePublished and added 22 Oct 2026🛡️ Security

Amazon Threat Intelligence reports PHP2Shell exploitation (CVE-2026-109618, CVE-2026-109619) seen in MadPot honeypot telemetry on 17 October 2026, four days before the 21 October disclosure, from anonymization-network IPs. Multiple actors and PoCs appeared within hours of the patch. It recommends upgrading PHP, hunting for PHP_SESSION_UPLOAD_PROGRESS in multipart POSTs, and investigating from the earliest exploitation date, with patch SLAs measured in hours.

aws.amazon.comarticlePublished and added 21 Oct 2026🛡️ Security

Trail of Bits post on two unpatched critical PHP bugs that were exploited within 17 hours of details leaking. Cloudflare began blocking attacks and Patchstack reported active exploitation. The bug was reported 11 August and fixed 71 days later, with a patch touching 402 files and over 11,000 lines. Trail of Bits announces two open-source plugins, patching-bugs and regression-hunt, from its Patch the Planet work.

x.comthreadAdded 23 Oct 2026, published 21 Oct 2026🛡️ Security

Trail of Bits announces two open-source plugins, patching-bugs and regression-hunt, for AI coding agents that speed up bug patching. They come from four months of Patch the Planet work with open-source projects, which found that repo-level documentation, skills and plugins give agents the maintainer context on what counts as a bug, how a fix should look and what must not break. The post cites the October 2026 PHP incident: a patch touching 402 files, and exploitation within 17 hours of leaked details.

x.comarticleAdded 23 Oct 2026, published 21 Oct 2026🧠 AI

The PHP Foundation's October 21, 2026 postmortem says Chainguard broke an embargo by publishing patched PHP container images over six hours before the coordinated release of fixes for CVE-2026-109618 and CVE-2026-109619, two critical RCE flaws. The piece covers the leaked CVE IDs, Calif's accidentally published exploit video, Chainguard CEO Dan Lorenc's defence citing exploitation in the wild, and the 2024 origin of the memory management bug.

socket.devarticlePublished and added 21 Oct 2026🛡️ Security

PHP2Shell is a pair of critical PHP core flaws, CVE-2026-109618 (out-of-memory corruption) and CVE-2026-109619 (stale global state), both CVSS 9.2 and giving unauthenticated RCE, confirmed on Apache with mod_php. Fixes shipped in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, with backports for 7.4 to 8.1. Exploitation attempts were reported by watchTowr, Hadrian, Patchstack, Cloudflare and Vega after a leak moved disclosure up from 22 October 2026 to one day earlier.

securityweek.comarticlePublished and added 21 Oct 2026🛡️ Security

Cisco Talos advisory on "php2shell", two unauthenticated RCE flaws in PHP core, CVE-2026-109618 and CVE-2026-109619 (CVSS v4.0 9.2), affecting every build since PHP 5.4. One flaw is an out-of-memory handling bug leaving request data partly initialized; the other reuses stale state after free. PHP 8.1 and older get no patch (about 50% of PHP systems). Includes ini-level mitigations and Snort SIDs 67359 and 67360. No exploitation seen as of 21 October 2026.

blog.talosintelligence.comadvisoryPublished and added 21 Oct 2026🛡️ Security

PHP2Shell is the name for CVE-2026-109618 (out-of-memory corruption) and CVE-2026-109619 (stale global state), two unauthenticated PHP remote code execution flaws rated CVSS 4.0 9.2. Details leaked before the 21 October 2026 patch release, and watchTowr's honeypots saw exploitation. The page lists fixed versions (8.5.12, 8.4.27, 8.3.36, 8.2.35), states that .ini mitigations do not work, gives a timeline, and describes compromise checks.

watchtowr.comadvisoryAdded 28 Oct 2026, published 21 Oct 2026🛡️ Security

PHP2Shell is the informal name for CVE-2026-109618 and CVE-2026-109619 (CVSS v4.0 9.2), unauthenticated remote code execution flaws in the PHP core runtime. Patches for branches 8.2 to 8.5 were scheduled for 21 October at 14:00 UTC, while PHP 8.1 and older get no fix; about 884,000 internet-facing hosts run those versions. watchTowr reproduced CVE-2026-109618, no public PoC existed at writing, and Sansec expects mass exploitation within 15 minutes of release.

orca.securityadvisoryPublished and added 21 Oct 2026🛡️ Security

Cloudflare announces full transaction detection and response-phase rules for its WAF. Detections evaluate an HTTP request together with the origin's response, so exploitation can be confirmed (for example, path traversal returning a config file) and the response replaced with a 403 block page. Covers managed and custom rules, the limit of three custom response rules, no response-body matching yet, and a first managed rule for php2shell. Available on all plans, including Free.

blog.cloudflare.comarticleAdded 29 Oct 2026, published 21 Oct 2026🛡️ Security

Chrome 156 reached the stable channel with fixes for 353 vulnerabilities, including six critical and 61 high-severity flaws. Memory safety dominates: 163 memory corruption, 125 use-after-free and 17 out-of-bounds read bugs. Google reports no in-the-wild exploitation. 285 bugs earned no bounty, including those found by Anthropic's Xinyang Ge with Claude and by OpenAI Codex Security. Builds are 156.0.8078.47/.48.

securityweek.comarticlePublished and added 21 Oct 2026🛡️ Security

PHP2Shell is the name given to two critical PHP flaws, CVE-2026-109618 and CVE-2026-109619 (CVSS 9.2 each), that could allow unauthenticated remote code execution. Details leaked before PHP's planned patch release on 21 October 2026 at 14:00 UTC. Reports say all versions from PHP 5 onward are affected and one flaw may be a use-after-free; watchTowr reproduced CVE-2026-109618, and Sansec expects mass exploitation within 15 minutes of the patch.

securityweek.comarticlePublished and added 21 Oct 2026🛡️ Security

PHP2SHELL is Aikido Security's advance notice of two critical remote code execution flaws in PHP itself, CVE-2026-109618 and CVE-2026-109619, both CVSS v4.0 9.2, with all versions treated as affected. The PHP security team will release fixes at 14:00 UTC on 21 October 2026, a day early after details leaked on 20 October. The post withholds exploitation details and workarounds.

aikido.devadvisoryPublished and added 21 Oct 2026🛡️ Security

Unit 42 threat brief on active exploitation of CVE-2026-0257, a PAN-OS GlobalProtect authentication bypass added to CISA KEV on May 13, 2026. It lists IP addresses, host IDs and PoC-derived client values to hunt in GlobalProtect logs. The October 2026 updates cover Qilin and Inc ransomware operators, MFA bypass, pivots to vCenter and ESXi with offline VMDK credential dumping, and management interface exposure on ports 4443 and 3879.

unit42.paloaltonetworks.comadvisoryAdded 21 Oct 2026, published 20 Oct 2026🛡️ Security

The PHP security team announces an upcoming PHP security release that fixes two critical vulnerabilities, both rated CVSS v4.0 9.2. The release is scheduled for Wednesday, 21 October 2026 at 14:00 UTC. The team says it may release earlier if details become public or exploitation in the wild is seen. The notice gives no CVE IDs, affected versions or technical details.

news-web.php.netadvisoryAdded 21 Oct 2026, published 20 Oct 2026🛡️ Security

PHP2Shell is the name for CVE-2026-109618 and CVE-2026-109619, two unauthenticated remote code execution flaws in PHP, both CVSS v4.0 9.2. One stems from out-of-memory corruption during request setup, the other from stale global state reused by the next request. watchTowr reports exploitation since 21 October 2026, lists fixed releases (8.5.12, 8.4.27, 8.3.36, 8.2.35) and says PHP 5 is also affected. PHP says no configuration change fully mitigates.

watchtowr.comadvisoryAdded 30 Oct 2026, published 20 Oct 2026🛡️ Security

The php.net 2026 news archive opens with the PHP security team's advance notice of a release scheduled for 21 October 2026 at 14:00 UTC. It fixes two critical vulnerabilities, both rated CVSS v4.0 9.2, and may ship earlier if details leak or exploitation appears. Details and fixed versions come with the release. The archive also lists 2026 security releases (8.2.34, 8.3.35, 8.4.26, 8.5.11), PHP 8.6 RC3 and conference announcements.

php.netadvisoryAdded 21 Oct 2026, published 20 Oct 2026🛡️ Security

pathrunner is a modular offensive framework from Datadog Security Labs that automates exploitation of the AWS IAM privilege escalation paths catalogued in pathfinding.cloud and deployed in Pathfinding Labs. It has over 80 exploit modules (as of October 2026), identity import and switching, multiple payloads per module, and attacker infrastructure deployment with a credential listener. A workspace report lists created resources and expected CloudTrail events for defenders.

securitylabs.datadoghq.comtoolAdded 23 Oct 2026, published 20 Oct 2026🛡️ Security

Drupal patched five vulnerabilities, including two critical RCE flaws: CVE-2026-108099 in the Entity List module and CVE-2026-108097 in core Field UI. Neither is exploitable alone, but contributed modules give exploit paths, at least one without authentication. Fixes are in Entity List 3.0.10 and Drupal 11.4.10, 11.3.19 and 10.6.19; uninstalling Field UI mitigates the second. XSS bugs in Link, Navigation and the Gin theme were also fixed. No in-the-wild exploitation is reported.

securityweek.comarticlePublished and added 19 Oct 2026🛡️ Security

Honeypot writeup of in-the-wild exploitation of Plex Media Server through the Plex2Shell chain (CVE-2026-96652, -96654, -96655, -96656) in October 2026. Attackers from 45.194.92.222, 91.92.40.202 and 176.65.139.228 used SSRF-style timeline/subscribe requests and downloaded a Docker-named dropper and an XMRig miner from 217.60.194.116. Includes file hashes, a later-seen proxyware sample (myawesomeproxy), lab pcaps for signatures and links to sandbox reports.

boredhackerblog.infowriteupAdded 20 Oct 2026, published 19 Oct 2026🛡️ Security

Plex2Shell is a chain of four Plex Media Server vulnerabilities (CVE-2026-96652, CVE-2026-96654, CVE-2026-96655, CVE-2026-96656) that gives unauthenticated code execution with the Plex service's privileges. Exploitation began on 17 October 2026, a day after the researcher published a write-up and PoC on 16 October. A honeypot saw an XMRig miner and a proxy tool, myawesomeproxy, dropped. Plex shipped fixes by 1 September 2026.

securityweek.comarticlePublished and added 19 Oct 2026🛡️ Security

CVE-2026-106931 is an OS command injection (CWE-78) in the statistics processing of EG Secure Solutions SiteGuard Server Edition, a host-based WAF. It can give root or SYSTEM command execution. The vendor and JVN confirm exploitation on 14 October 2026. The post lists fixed builds (Ver8.00 Update 5, Ver7.00 Update 6 on FreeBSD), the IIS exclusion, the workaround of disabling statistics, and a SOC trail starting with diagnostic preservation before patching.

x.comadvisoryAdded 21 Oct 2026, published 19 Oct 2026🛡️ Security

SecurityWeek reports F5 fixed 11 NGINX vulnerabilities. Three are critical: CVE-2026-15176 and CVE-2026-93479 are unauthenticated buffer overflows via crafted HTTP requests, and CVE-2026-97205 is memory corruption. All three can lead to RCE if ASLR is disabled or bypassed. Juniper Networks published 17 advisories covering over 150 flaws in Junos OS and Junos OS Evolved, plus four in Cloud-Native Router. About two dozen are critical, with root code execution, device takeover, kernel panic and an off-by-one buffer overflow. Neither vendor reports exploitation in the wild.

securityweek.comarticlePublished and added 16 Oct 2026🛡️ Security

S2W post on CVE-2026-97229, a CVSS 10.0 remote code execution flaw in the GitLab CE/EE CI/CD regex compiler, disclosed October 13, 2026. Insufficient regex validation plus an integer overflow during encoding conversion lets an attacker who can add CI/CD config use a malicious regex and a UTF-8 repository path to run commands as the git user. Affects self-managed 19.2 before 19.2.8, 19.3 before 19.3.5 and 19.4 before 19.4.2. Rapid7 published analysis and a public PoC exists, with no in-the-wild exploitation confirmed as of October 15. No workaround exists, so patch or restrict access to a management network or VPN.

x.comadvisoryAdded 17 Oct 2026, published 16 Oct 2026🛡️ Security

Summary of Vercel's Oct 14, 2026 out-of-band Next.js security release fixing two critical unauthenticated RCEs: one in App Router apps with Cache Components where a "use cache" function returns multiple typed arrays (GHSA-673q-mjm6-r5xr, upstream React GHSA-xqc2-xf4c-x3h3, no workaround), and one in the Image Optimization API handling SVG on glibc Linux via a memory bug in a library used through sharp (CVE-2026-96889 / GHSA-2464-fhr4-w9xw, workaround sharp 0.35.5+). Also covers a high-severity Server Actions DoS (GHSA-p3m5-59mp-jv5r). Fixes ship in two supported Next.js LTS lines. No in-the-wild exploitation reported.

x.comadvisoryAdded 17 Oct 2026, published 16 Oct 2026🛡️ Security

Talos Threat Source newsletter arguing that record CVE volume (over 70k by end of Q3, six-digit CVE IDs) is not the same as exploitation. KEV grew only 37% YoY against 105% for CVEs, about a third of KEV entries are CVEs from 2025 or earlier (a patch gap), and 29% of 2026 KEV CVEs were added on their publication date. It also notes the new KEV "forensicTriage" column (BOD 26-04), summarizes the Talos/Insikt report on UAT-6275 espionage against CIS governments with GitHub-hosted payloads and a WinRAR exploit, and lists weekly headlines.

blog.talosintelligence.comarticlePublished and added 15 Oct 2026🛡️ Security

AWS reports results for its autonomous pentesting agent, AWS Security Agent (now part of AWS Continuum), on an internal CTF-style benchmark of 37 recent 2025–2026 CVEs. Each CVE ran as a live docker-compose target with a hidden flag, and the agent started from an endpoint and a one-line hint with runtime CVE lookup disabled. It captured 35 flags, 33 (89.2%) through the intended vulnerability after an audit against canonical PoCs. The post describes the 7-stage pipeline (crawler, specialist agents, validator, exploitation agent, flag check, audit), three exploit walkthroughs (CMS upload-to-admin chain, AI workflow builder RCE, tRPC full-read SSRF), the two audit reclassifications caused by benchmark bugs, and two misses where the agent took the target down. It also argues that saturated public benchmarks like CVE-Bench and XBOW are contaminated.

aws.amazon.comarticlePublished and added 15 Oct 2026🛡️ Security

Daily CVE digest on CVE-2026-76519, a CVSS 9.8 relative path traversal (CWE-23) in Cisco Secure Email Gateway's AMP File Reputation attachment processing. A crafted attachment gives unauthenticated arbitrary file writes and root command execution, and Cisco PSIRT reports active exploitation. The CVE is in CISA KEV. It lists the applicability conditions (File Reputation assigned to a policy and Content Scanner Tools earlier than 25.3.0.5525) and the fixes (scanner 25.3.0.5525, AsyncOS 15.5.5-014 and 16.5.0-780). It also covers evidence preservation, reading Cisco's System Security scan outcomes, mail/AMP log correlation, and deployment-specific recovery including cluster-key exposure.

x.comadvisoryAdded 18 Oct 2026, published 15 Oct 2026🛡️ Security

Palo Alto Networks patched CVE-2026-0322, a high-severity zero-day in the PAN-OS management interface that lets an authenticated attacker with network access run arbitrary code as root. It affects PA-Series, VM-Series and Panorama with no special configuration needed, and "very limited" exploitation has been seen. The vendor published a few IP-based IoCs, CISA added the flaw to KEV with an October 17 deadline, and a dozen other medium/low advisories were released the same day.

securityweek.comarticlePublished and added 15 Oct 2026🛡️ Security

Decepticon is an open-source framework that automates red team operations with 16 specialized AI agents coordinated by an orchestrator, covering recon, vulnerability research and exploitation against an operator-authorized target in an isolated environment. It offers optional attack planning mapped to MITRE ATT&CK, persistent interactive sessions for Metasploit, Sliver and Evil-WinRM, and findings stored in project files and a knowledge graph. It runs via CLI or web dashboard, integrates with Claude Code and Codex through an MCP server, and is self-hosted with Docker Compose.

x.comtoolAdded 18 Oct 2026, published 15 Oct 2026🛡️ Security

Social post summarizing a Sola Security study (Leon Goldberg, Gal Engelberg). An AI agent re-scored 9,967 high-severity findings from two commercial cloud security platforms across eight production environments and changed severity on 75.1% (58.5% downgraded, 16.6% upgraded). The cause is that 599 vendor rules each carry one fixed severity regardless of environment, and 49% of verdicts needed context beyond the flagged resource. Caveats: 92% of findings were AWS, and the study did not test whether the new severities predict real exploitation.

x.comthreadAdded 15 Oct 2026, published 14 Oct 2026🛡️ Security

Alert summarizing XBOW's disclosure of a three-stage Chrome for Windows exploit chain: V8 Maglev memory corruption (CVE-2026-85045), Animated WebP decoder memory corruption (Chromium issue 548509153), then a Crashpad sandbox escape (CVE-2026-78952). Loading a crafted page was enough; no click or download needed. Human researchers working with GPT-5.6 Sol agents built it in six days, Google paid $250,000, all three bugs are fixed, and no in-the-wild exploitation is confirmed. It advises updating Chrome and restarting, and gives forensic triage pointers.

x.comadvisoryAdded 15 Oct 2026, published 14 Oct 2026🛡️ Security

ThreatWire post on CVE-2026-97229, an integer overflow in the GitLab CI/CD regex compiler. GitLab rates it CVSS 3.1 10.0 and says it can allow unauthenticated code execution under certain conditions, in both CE and EE. Fixes are in 19.2.8, 19.3.5 and 19.4.2 (not 19.3.4), released Oct 12; GitLab-hosted instances are already patched. The post credits joaxcar via HackerOne and says a Rapid7 researcher published a lab PoC on GitHub, which ThreatWire has not run or verified. It also says the CVE is not in CISA KEV and has no known exploitation.

x.comthreadAdded 15 Oct 2026, published 14 Oct 2026🛡️ Security

SecurityWeek summarizes SAP's October 2026 Security Patch Day (22 notes, four critical). Critical flaws: CVE-2026-89111 (CVSS 10) OAuth2 SSRF in SAP Cloud SDK for Python that leaks client credentials via the tenant_subdomain parameter; CVE-2026-89110 (9.9) NetWeaver broken access control allowing ABAP code execution through Fiori rule definition input; CVE-2026-89107 (9.9) S/4HANA Visual Composer code injection; and CVE-2026-89108 (9.1) missing authorization check in Manufacturing Integration and Intelligence allowing admin account creation. SAP reports no exploitation in the wild.

securityweek.comarticlePublished and added 14 Oct 2026🛡️ Security

CVE-2026-92392 is a use-after-free in curl's HTTP/2 upload path, fixed in curl 8.23.0 and rated HIGH. After a server zeroes the window and resets the stream, a dangling easy-handle pointer survives. On multi handle cleanup, server data lands in the freed memory and can overwrite a function pointer, giving remote code execution. Daniel Stenberg lists why exploitation is hard (~135KB upload, ~23-byte payload, allocation-dependent) and says Luna Tong at Anthropic found it with an OSS Scanner.

daniel.haxx.searticleAdded 23 Oct 2026, published 14 Oct 2026🛡️ Security

Summary of SAP's October 13, 2026 Security Patch Day (16 new notes, 4 GitHub advisories). It leads with CVE-2026-89111, a CVSS 10.0 OAuth2 SSRF in SAP Cloud SDK for Python before 0.45.2, where an attacker-controlled tenant_subdomain redirects token requests and exfiltrates client credentials. It also lists three other critical flaws: broken access control in NetWeaver Visual Composer, code injection in S/4HANA substitution/validation rules, and a missing authorization check in the Manufacturing Integration and Intelligence (XMII) Configuration Service. It notes that none are in CISA KEV and SAP reports no in-the-wild exploitation.

x.comadvisoryAdded 15 Oct 2026, published 13 Oct 2026🛡️ Security

Talos summarises Microsoft's October 2026 Patch Tuesday, which covers 1415 vulnerabilities, 85 of them critical (67 RCE). One bug is exploited in the wild: CVE-2026-96951, a Windows Shell security feature bypass. The post groups the CVEs by Microsoft's exploitability rating (more likely, less likely, unlikely) with CVSS and CWE for each, covering Windows, Office, Exchange, Hyper-V, DHCP, QUIC, Outlook and Azure. It also lists the Snort 2 and Snort 3 rule ID ranges that detect exploitation attempts.

blog.talosintelligence.comadvisoryPublished and added 13 Oct 2026🛡️ Security

Social post summarizing Docker's Oct 12, 2026 advisory for CVE-2026-105445, a Docker Hub flaw. Converting a personal account to an organization re-assigned the account's personal access tokens (PATs) to the named new owner without rotating the secret. An attacker could name a victim as owner and keep using the token as that victim to pull, push or delete images. The exposure window ran from Aug 26, 2024 to Sept 30, 2026. Docker fixed it the day it was reported by Peter Molnar and Krisztian Hozak, deactivated transferred PATs on Oct 8, and found no exploitation after reviewing about 304,000 pushes. The post advises reviewing PATs and using organization access tokens for automation.

x.comthreadPublished and added 13 Oct 2026🛡️ Security

Ivanti disclosed CVE-2026-104935, an authentication bypass plus RCE in Connect Secure VPN appliances, exploited in the wild; patched in ICS 22.8R2.5, 25.1.1.2, 25.1.3.0 and 25.1.3.1. Volexity found threat actor UTA0576 chained three zero-days, including a still-unpatched privilege escalation, to get unauthenticated root on a fully patched appliance. Post-exploitation focused on stealing domain credentials, Active Directory reconnaissance (LAPS passwords, BitLocker keys), password spraying, a custom Kerberos tool and log tampering. Volexity assesses with medium confidence that the actor uses LLMs for exploit development.

securityweek.comarticlePublished and added 13 Oct 2026🛡️ Security

Social post summarizing Volexity's research on an Ivanti Connect Secure (ICS) zero-day chain, CVE-2026-104935. The chain pairs an auth bypass and a race-condition RCE with a separate privilege-escalation bug for root. Actor UTA0576 used it from Oct 3, 2026 against a fully patched 22.8R2.4 appliance, leaving no backdoor or web shell and deleting log entries. Post-exploitation included LDAP/AD credential theft, LAPS and BitLocker key searches, password spraying and packet capture. CISA added it to KEV with a due date of Oct 16. A clean Integrity Checker result does not rule out compromise because the chain patches code in memory only, so memory and network forensics are needed. The hunting lead is heavy requests to /dana-na/auth/url_default/welcome.cgi with a mismatched X-DSCGI-PATH header.

x.comthreadPublished and added 13 Oct 2026🛡️ Security

SecurityWeek summarizes Adobe's 10 new advisories fixing about 140 vulnerabilities: ColdFusion (32), Content Credentials SDK (30), Photoshop (18), Substance 3D Stager (16), Commerce (11), plus FrameMaker, Dimension, Substance 3D Sampler/Designer and Bridge. Commerce is the only product at priority 2; no in-the-wild exploitation is known. Adobe attributes the higher volume partly to using frontier AI models to find flaws in its own code, and has moved to twice-monthly security bulletins (second and fourth Tuesday).

securityweek.comarticlePublished and added 13 Oct 2026🛡️ Security

XBOW researchers describe a Chrome full-chain exploit that combines a V8/Maglev deoptimization bug (mutable HeapNumber treated as immutable), a TOCTOU flaw in Blink's animated-WebP decoder exploiting a transferred ArrayBuffer, and a race in Crashpad's remote-memory reader to achieve code execution outside the renderer sandbox. The chain, built in six days largely by AI agents using OpenAI's gpt-5.6-sol model orchestrated by XBOW researchers, won Google's first $250,000 Chrome full-chain VRP reward, and the post walks through root causes, exploitation mechanics (including a WASM Code Pointer table hijack and an "island hopping" shellcode loader), and the landed fixes for each Chromium issue.

xbow.comwriteupAdded 18 Oct 2026, published 13 Oct 2026🛡️ Security

Rapid7 analysis of CVE-2026-97229, a CVSS 10.0 integer overflow (CWE-190) in the Onigmo regex compiler used by GitLab CE/EE's CI/CD regex handling. A crafted regex in a .gitlab-ci.yml passes validation as US-ASCII, then is recompiled for a UTF-8 repository path, producing invalid instructions that give code execution as the git user. Rapid7 reproduced it on GitLab CE 19.4.1 with ASLR (patched in 19.4.2); despite the vendor's "unauthenticated" rating, the attacker needs to commit a malicious config to a public project, which self-registration allows. No in-the-wild exploitation is confirmed, and Rapid7 recommends urgent upgrades.

rapid7.comadvisoryPublished and added 13 Oct 2026🛡️ Security

Social post summarizing watchTowr's Oct 2026 research on an unauthenticated RCE chain in PaperCut NG 26.0.4-PO build 76508: an auth bypass (WT-2026-0143, no CVE) re-runs the Setup Wizard via the Home page to reset the admin password, then CVE-2026-82077 (Scan-to-Fax path traversal) gives OS command execution. It lists fix versions (build 76530, 26.0.5, 25.0.13), notes watchTowr's detection tool covers only the bypass, and says exploitation of this chain is unconfirmed, unlike the August attacks using CVE-2026-81578 and CVE-2026-82078.

x.comthreadAdded 13 Oct 2026, published 12 Oct 2026🛡️ Security

XRP Ledger maintainers disclosed a critical integer overflow in the payment engine, reported via bug bounty in September. A payment consuming hundreds of crafted order-book offers made the buyer's owed sum wrap around to a tiny value while sellers were paid in full, minting XRP. The built-in "no XRP created" invariant check used the same flawed arithmetic and missed it. The fix shipped in 3.4.1 on Sept. 25, bypassing the usual amendment vote and two-week wait for the first time, so the open-source patch would not expose a live exploit. No exploitation evidence was found.

decrypt.coarticlePublished and added 12 Oct 2026🛡️ Security

SecurityWeek reports that Patchstack has observed in-the-wild exploitation of CVE-2026-85097 (CVSS 9.8), an unauthenticated arbitrary file upload leading to code execution in the Bricksforge WordPress plugin (add-on for Bricks builder, ~6,000 sites). Versions 3.1.8.9 and earlier are affected and 3.1.8.10 fixes it. Exploitation began October 7; telemetry shows one cluster of 44 IPs sending 56 identical payloads and another of 3 IPs trying 25 PHP extension/encoding variations against the same temp file, consistent with automated exploitation over rotating proxies.

securityweek.comarticlePublished and added 12 Oct 2026🛡️ Security

SecurityWeek reports that CVE-2026-102255, a CVSS 10 pre-authenticated SSRF in the SonicWall SMA1000 Work Place interface, was exploited within days of its October 6 disclosure. Defused saw the first attempts on its SMA decoys on October 8, and Previdian (formerly KEVIntel) also observed exploitation. SonicWall urges 6210, 7210 and 8200v customers to update to 12.5.0-03082 or 12.4.3-03670, and Horizon3.ai warns that exploitation could lead to device takeover.

securityweek.comarticlePublished and added 12 Oct 2026🛡️ Security

CoinDesk reports on an 11-year-old integer-overflow bug in the XRP Ledger's DEX code. Hundreds of crafted offers could make the computed buyer cost wrap to near zero while sellers were credited in full, which would have minted billions of XRP beyond the 100 billion cap. The post-transaction no-new-XRP invariant check used the same miscounted total, and the per-account receive limit was sidestepped by spreading funds across hundreds of accounts. Researcher Cayden Liao and Veria AI reported it on Sept. 22, RippleX patched it with no evidence of exploitation, and the XRP Ledger Foundation plans AI adversarial testing, formal verification and a stronger bug bounty.

coindesk.comarticlePublished and added 12 Oct 2026🛡️ Security

Alert on CVE-2026-106610, a critical (CVSS 9.8) incorrect privilege assignment flaw in the miniOrange OTP Verification WordPress plugin, versions 5.5.7 and earlier. Unauthenticated remote attackers can gain elevated permissions, potentially administrator, with no user interaction. Fixed in 5.5.8; no in-the-wild exploitation or public PoC verified. It advises auditing unexpected admin accounts and role changes, and warns that Patchstack's mitigation blocks legitimate requests too.

x.comadvisoryPublished and added 11 Oct 2026🛡️ Security

This repository hosts a proof-of-concept for CVE-2026-41940, described as a CVSS 10.0 unauthenticated authentication bypass in cPanel and WHM caused by CRLF injection into server-side session files via the Authorization header. The accompanying Python tool (cve.py) can detect vulnerable cPanel/WHM instances, retrieve system and account information, and perform post-exploitation actions such as running OS commands, changing the root password, and opening an interactive WHM shell. It also supports bulk scanning workflows piped from subfinder, httpx, and Shodan.

github.comrepoAdded 23 Oct 2026, published 11 Oct 2026🛡️ Security

Post announcing a public PoC for CVE-2026-13043, a critical flaw (CVSS 4.0 9.3, scored by WatchGuard) in PSKMAD, the kernel memory access driver of WatchGuard Endpoint Security on Windows. The access-control handshake can be bypassed (CWE-306/CWE-798), letting a local authenticated attacker send privileged commands and read kernel and other processes' memory. Fixed in 8.00.26.0012; the PoC author and LOLDrivers frame the signed driver as BYOVD material, which WatchGuard does not say. The post notes it is not in CISA KEV, has no reported in-the-wild exploitation, and that ThreatWire has not run the PoC.

x.comthreadAdded 11 Oct 2026, published 10 Oct 2026🛡️ Security

CyberForge CVE of the Day #074 analyses CVE-2026-85097, a CVSS 9.8 unauthenticated file upload to PHP execution flaw (CWE-434) in the Bricksforge WordPress plugin through 3.1.8.9. Wordfence names 3.1.8.10 as the fix, and a separate vendor 4.0.1 Pro Forms upload-security notice has no verified mapping to the CVE. It gives a defender workflow: scope versions, preserve edge/origin logs, inspect resulting files and PHP-FPM handling, and verify the patched version is serving. It also separates KEV (no match), EPSS (0.312%) and SSVC (exploitation none) from compromise evidence.

x.comadvisoryAdded 11 Oct 2026, published 10 Oct 2026🛡️ Security

CoinDesk reports that researcher Cayden Liao and Veria AI found a flaw, believed to date to 2015, in the XRP Ledger's built-in exchange. Hundreds of crossed offers made the total XRP owed too large for the software to count correctly. The buyer was charged almost nothing while the sellers were paid in full, so XRP was created from nothing. The bug slipped past the ledger's post-transaction no-new-XRP invariant check, which relied on the miscounted total, and past per-account receive limits, because the XRP was spread across hundreds of accounts. RippleX reproduced it on a standalone server and fixed it in xrpld 3.4.1 on Sept. 25 without disclosing the cause. It found no evidence of exploitation on public networks.

coindesk.comarticlePublished and added 10 Oct 2026🛡️ Security

Huntress reports in-the-wild exploitation of two unpatched AhsayCBS vulnerabilities (CVE-2026-105133 and CVE-2026-105134) affecting all versions up to and including the latest 10.3.4. Attackers chain an authentication bypass with OS command injection via the Replication Receiver API to gain unauthenticated RCE with System privileges, drop JSP webshells, deploy XMRig cryptominers disguised as Microsoft Edge, achieve persistence using a modified NSSM binary as a fake Microsoft Edge Update service, and load the vulnerable WinRing0x64.sys driver for kernel-level miner access (BYOVD). At least five organizations were targeted as of October 8; Huntress recommends restricting management-interface access until a patch is released.

securityweek.comarticlePublished and added 9 Oct 2026🛡️ Security

CyberForge's CVE of the Day #073 covers CVE-2026-102255, a critical (CVSS 10.0) pre-authentication SSRF / confused-deputy flaw (CWE-918, CWE-441) in the SonicWall SMA1000 Work Place interface, per advisory SNWLID-2026-0017. It lists affected platform hotfixes (12.4.3-03526 and older, 12.5.0-02952 and older), fixed floors (12.4.3-03670, 12.5.0-03082), no workaround, and the exploitation picture (no known exploitation, not in KEV, EPSS 0.477%, SSVC automatable). It gives a six-step SOC playbook covering appliance scoping, AMC log preservation, hunting appliance-originated internal requests, correlating receiving-service changes, patching, and verifying every node, and it separates exposure, a lead, confirmed compromise and telemetry gaps.

x.comadvisoryAdded 12 Oct 2026, published 9 Oct 2026🛡️ Security

Citrix disclosed CVE-2026-107406 (CVSS 9.5), a critical memory overflow in NetScaler ADC and NetScaler Gateway that can lead to remote code execution or denial of service when appliances are configured as a SAML SP or SAML IdP, also affecting Secure Private Access Hybrid deployments using NetScaler. Patches are available in versions 14.1-73.46, 13.1-64.29, and the corresponding FIPS/NDcPP builds; Citrix says it is not aware of exploitation yet but urges immediate upgrades. The bulletin follows two other recently exploited NetScaler RCE/DoS zero-days (CVE-2026-88771, CVE-2026-88772) used against government, financial, education, legal, and professional-services organizations, and a separate DoS zero-day (CVE-2026-88779).

securityweek.comadvisoryPublished and added 9 Oct 2026🛡️ Security

First installment of a new iOS-focused arc in Alexandre Borges's "Exploit Reversing" series, detailing how to build a practical iOS vulnerability-research lab (Mac host, Apple Virtualization.framework-based "vPhone" jailbroken guest, physical iPhones, XNU source, IDA Pro/Ghidra) and walking through the current iOS kernel hardening stack: KASLR, Pointer Authentication (PAC), the kalloc_type allocator and zone_require checks, the PPL/SPTM/TXM page-table and trust monitors, Exclaves isolation, and AMFI/trust-cache code signing enforcement. It also references the public Titan PPL/SPTM bypass (A14–A17 devices, iOS 16.1–17.4 beta 3) as the state of the art for defeating these protections. Part of a long-running, actively published series on Windows, iOS, and hypervisor exploitation.

exploitreversing.comarticleAdded 8 Oct 2026🛡️ Security

Huntress documents active exploitation of two AhsayCBS (Ahsay Cloud Backup Server) vulnerabilities being chained together: CVE-2026-105133, an authentication bypass in checkSysPwd, and CVE-2026-105134, an unauthenticated RCE in the Replication Receiver's UpdateReceivers.do endpoint that grants SYSTEM. Attackers use the chain to drop JSP webshells, then deploy a renamed XMRig cryptominer (masquerading as msedge.exe via a modified NSSM binary), a Task-Manager-aware anti-detection PowerShell script, and the vulnerable WinRing0x64.sys kernel driver for hardware-level miner access. Huntress provides IOCs, mitigation guidance (restrict management interface, re-image if compromised) and four Sigma rules targeting each stage of the intrusion chain.

huntress.comwriteupAdded 9 Oct 2026, published 8 Oct 2026🛡️ Security

Issue #349 of the tl;dr sec newsletter. It summarizes: Google Threat Intelligence Group data showing monthly CVE disclosures doubling (5,045 to 10,740) with exploitation tracking n-days; Andrew Nesbitt's survey of package manager install-time sandboxing (Homebrew 7.0.0, opam, SwiftPM, Cargo, pnpm); the Graphalgo malware campaign reaching Terraform providers and Go modules; and XBOW's role-mapping approach to finding IDORs. It also covers Turbo Intruder HTTP/3 support, Vercel's $1M Firecracker sandbox bounty, and Perplexity's test of AI agents escaping microVM sandboxes via DNS spoofing and shared-IP CDN gaps.

tldrsec.comarticleAdded 15 Oct 2026, published 8 Oct 2026🛡️ Security

Attackers began exploiting CVE-2026-21589, a critical CVSS 9.3 unauthenticated file-read flaw shared by Atlassian Bitbucket, Confluence, Jira, Jira Service Management, Bamboo, Crowd, Crucible and Fisheye Data Center products, within hours of WatchTowr publishing technical analysis and PoC code. WatchTowr showed that when Jira is integrated with Crowd, the flaw can read a config file containing plaintext Crowd credentials, enabling creation of a rogue Jira admin account. Previdian honeypots recorded 190 exploitation attempts from 32 IPs across 10 countries within two days; Atlassian has released patches and interim mitigations.

securityweek.comarticlePublished and added 8 Oct 2026🛡️ Security

SonicWall patched four SMA1000 appliance vulnerabilities including CVE-2026-102255, a pre-authenticated SSRF flaw (CVSS 10) that lets an unauthenticated remote attacker abuse an unintended alternate access path to reach internal functionality; two other high-severity bugs enable RCE and one medium-severity bug enables XSS. Splunk separately fixed dozens of flaws across Splunk Enterprise, MCP Server, and the Add-on for AWS, including three critical Splunk Enterprise bugs allowing arbitrary command execution, unauthorized access, and code injection, plus a medium-severity MCP Server issue letting an authenticated user redirect API requests to an attacker-controlled URL. SonicWall says SSL-VPN on its firewall products is unaffected and no in-the-wild exploitation has been observed.

securityweek.comarticlePublished and added 8 Oct 2026🛡️ Security

watchTowr post-exploitation analysis of CVE-2026-88771, an unauthenticated log-poisoning command injection in Citrix NetScaler (advisory CTX697096). Sensors logged thousands of attempts: about 85% were OOB callbacks, the rest Sliver implants, a trojanized Dropbear SSH backdoor, a Perl stager with a PHP webshell, and SSH-key and secret-harvesting sprays. Includes artifacts to hunt (/var/tmp files, ns_helper, ns.conf edits) and IOC repo pointers.

watchtowr.comwriteupAdded 30 Oct 2026, published 7 Oct 2026🛡️ Security

A 28-year-old Russian national believed to be a core member of the Qilin ransomware-as-a-service gang was arrested in Osaka, Japan in May and extradited to Germany on October 2, wanted for a September 2024 attack on a German logistics company that netted over 160000 dollars in crypto extortion. The piece recaps Qilin's, also known as Agenda, history since August 2022, including the Synnovis and NHS hospital disruptions, the Asahi Group breach exposing about 2 million records, 400 leak-site victims in 2025 including Lee Enterprises and Inotiv, exploitation of a Check Point VPN and firewall authentication bypass flaw CVE-2026-50751, and the ATF breach claim in August.

securityweek.comarticlePublished and added 7 Oct 2026🛡️ Security

Chrome 155 security update fixes 247 vulnerabilities, including four critical use-after-free bugs in Chromecast, Browser, Navigation and Track (CVE-2026-106382, CVE-2026-106197, CVE-2026-106358, CVE-2026-106347). Researcher Xinyang Ge reported three of them and used AI to find two. It also fixes 53 high-severity bugs; Google paid about $33,000 in bounties and reports no exploitation in the wild. Fixed builds are 155.0.8059.39/.40.

securityweek.comarticlePublished and added 7 Oct 2026🛡️ Security

SecurityWeek summarizes Google's October 2026 Android Security Bulletin (2026-10-01 patch level), which fixes 25 vulnerabilities — 7 in Framework and 18 in System, including 7 critical bugs. The most severe is a critical local privilege-escalation flaw in System requiring no user interaction or extra execution privileges; the bulletin also covers a System RCE bug, Google Play system updates for Telephonycore/WiFi, and separate Pixel and Android Automotive OS fixes (including critical Bluetooth, GDMC, and GSA issues). Google reports no evidence of in-the-wild exploitation.

securityweek.comarticlePublished and added 7 Oct 2026🛡️ Security

Walks through a post-exploitation credential-harvesting technique on Linux: enabling password authentication in sshd_config, writing a pam_exec.so logging script, and inserting it into /etc/pam.d/sshd (or common-auth/password-auth) so every SSH login attempt is logged with username, password, and source host to a hidden log file. Also covers using each user's ~/.ssh/known_hosts to identify pivot targets for lateral movement during a pentest.

hackers-arise.comwriteupAdded 7 Oct 2026, published 6 Oct 2026🛡️ Security

CVE-2026-21589 is an unauthenticated arbitrary file read in eight self-hosted Atlassian products: Bitbucket, Confluence, Jira Service Management, Jira Software, Bamboo, Crowd, Crucible and Fisheye Data Center. Attackers must know the exact file path, and watchTowr Intel observed exploitation by 6 October 2026. The FAQ covers the timeline (Atlassian advisory 5 October 2026), upgrade and WAF mitigations, and log searches for two dots next to a slash, backslash or double colon.

watchtowr.comadvisoryAdded 30 Oct 2026, published 6 Oct 2026🛡️ Security

An incident-response style deep dive into active in-the-wild exploitation of Citrix NetScaler ADC/Gateway via CVE-2026-88771 (unauthenticated RCE through log-poisoning of ns_monuploadd_err.pl) and CVE-2026-88772 (DTLS memory overflow), part of 8 CVEs disclosed by Citrix on September 27, 2026. The author reverse-engineers the full post-exploitation toolkit dropped after root is obtained: SLAPSHOT (a Perl/Python loopback TCP tunneler/pivot), WHIPSHOT (a disguised PHP web shell served via fake CSS paths), the Platypus C2 agent, and a Perl "Pitboss" dropper script (with full decoded source and an embedded SHA-256-protected PHP web shell) that creates a rogue superuser, SUIDs /bin/sh, exfiltrates NetScaler config, and patches httpd.conf for persistence. It closes with extensive IOCs (C2 IPs, file hashes, paths, credentials) and patch guidance for affected NetScaler builds.

theravenfile.comwriteupPublished and added 6 Oct 2026🛡️ Security

Atlassian disclosed CVE-2026-21589, a critical (CVSS 9.3) unauthenticated path traversal flaw allowing remote attackers to read specific files within the web application root across its self-managed Data Center/Server products — Jira Software, Jira Service Management, Confluence, Bitbucket, Bamboo, Crowd, Crucible, and Fisheye. Fixed versions are listed for each product (e.g. Jira 9.12.40/10.3.26/11.3.12, Confluence 9.2.26/10.2.19), and Atlassian Cloud is already patched; WAF/URL-rewrite mitigations are available for those who can't upgrade immediately. The post's analyst note clarifies exploitation requires knowing the exact target file path (no directory listing), and as of Oct 5, 2026 it is not yet in CISA KEV with no public exploit reported.

x.comadvisoryAdded 7 Oct 2026, published 6 Oct 2026🛡️ Security

Analysis of CVE-2026-88779 (CVSS v4.0 8.7), an unauthenticated memory-overflow flaw in the nsaaad SAML authentication handler on Citrix NetScaler ADC/Gateway that lets attackers crash the SAML service and lock out VPN/SSO access indefinitely through repeated triggering. Affects NetScaler 14.1 before 14.1-73.41 and 13.1 before 13.1-64.28 (plus FIPS/NDcPP builds); watchTowr Labs reproduced it via honeypot activity, Citrix confirmed targeted in-the-wild exploitation from IP 213.209.159.55, and CISA added it to KEV on 2026-10-04 with an Oct 7 federal remediation deadline. Some researchers suspect the overflow could extend to RCE beyond the documented DoS, though Citrix hasn't confirmed this.

orca.securityadvisoryPublished and added 5 Oct 2026🛡️ Security

Citrix issued emergency patches for CVE-2026-88779, a memory-overflow zero-day in NetScaler ADC/Gateway appliances configured as a SAML service provider or identity provider, rated CVSS v4.0 8.7. Citrix confirmed active, targeted exploitation against unmitigated deployments, with repeated exploitation causing denial of service and disrupting dependent authentication services.

x.comadvisoryAdded 6 Oct 2026, published 5 Oct 2026🛡️ Security

CISA added CVE-2026-104286, a path traversal vulnerability in Fortinet FortiMail, to its Known Exploited Vulnerabilities Catalog on evidence of active exploitation. The alert restates the obligations of BOD 26-04 for Federal Civilian Executive Branch agencies: prioritise KEV CVEs on publicly exposed assets that give total control, and check for compromise before patching. It also describes the KEV nomination criteria: a CVE ID, evidence of exploitation and clear mitigation guidance. The page gives no technical detail, patch status or IOCs.

cisa.govadvisoryAdded 4 Oct 2026🛡️ Security

Summary of Microsoft's September 2026 V2 / October 2026 early security updates adding CVE-2026-96940, an Important elevation-of-privilege flaw (CVSS 8.8) in on-prem Exchange Server caused by weak authorization that lets an authenticated attacker escalate privileges over the network. Covers affected builds and KBs (Exchange SE RTM KB5129955, 2019 CU15/CU14 KB5129956/5129957, 2016 CU23 KB5129958) and notes Exchange Online is unaffected, the flaw was found internally by Microsoft with no known exploitation and is not in CISA KEV.

x.comthreadAdded 4 Oct 2026, published 3 Oct 2026🛡️ Security

CISA added CVE-2026-104286 (CVSS 9.8), a path traversal and NULL-byte handling flaw in Fortinet FortiMail, to its Known Exploited Vulnerabilities catalog after confirming active in-the-wild exploitation. The bug lets unauthenticated attackers write arbitrary files via crafted HTTP/HTTPS requests, affecting FortiMail 7.2 through 8.0.1; Fortinet published workarounds (disabling IBE, restricting management-interface access) ahead of patches and shared attacker IPs and modified/added files as IOCs. The article also lists several other actively exploited vendor flaws disclosed the same week (Check Point, Arista VeloCloud, F5 BIG-IP APM, Cisco Catalyst SD-WAN Manager, Citrix NetScaler).

thehackernews.comadvisoryAdded 3 Oct 2026🛡️ Security

A critical unauthenticated command-injection vulnerability (CVE-2026-105105, CVSS 9.8) was disclosed in NASA AMMOS AIT-Core, software used for spacecraft command and telemetry operations. The flaw stems from AIT-Core's ZeroMQ message bus binding to 0.0.0.0 on TCP port 5559 by default with no authentication, letting any network-reachable attacker publish onto internal topics such as __commands__, potentially injecting spacecraft command data, reading/forging telemetry, and disrupting the command-and-telemetry bus. Affects AIT-Core <= 3.1.1, fixed in 3.1.2 by binding ZeroMQ XSUB/XPUB interfaces to 127.0.0.1; no known in-the-wild exploitation.

x.comthreadPublished and added 3 Oct 2026🛡️ Security

COPEX (COntext Provider EXploitation) is a benchmark that isolates the tool-selecting LLM as the unit of evaluation in Model Context Protocol systems, fixing the surrounding agent stack and varying only the model to measure its intrinsic susceptibility to adversarial context. It covers 25 attack types across 125 scenarios spanning four entry surfaces — model/agent, client, server/tool, and transport — and tests nine models across 3,375 trials, finding a mean attack success rate of 64.4% (58.3%–71.4% by surface); combined input and context scanning cut mean attack success by 49.6% on an eight-attack defense subset. The work separates "system exposure" (attacks succeeding outside the model's observation/control) from "model susceptibility," and the benchmark itself is released publicly.

arxiv.orgpaperAdded 6 Oct 2026, published 3 Oct 2026🛡️ Security

Walkthrough of Platypus, an open-source C2-style host management platform (github.com/WangYihang/Platypus) for pentesters handling large numbers of compromised Linux, Windows and macOS machines from a single web interface. Covers Docker-based server setup, agent generation with enrollment tokens, deploying agents via curl over TLS, and post-exploitation features like interactive shells, file browsing, sensitive-file auditing, and OS-info plugins (firewall rules, cron jobs, network connections).

hackers-arise.comwriteupAdded 7 Oct 2026, published 2 Oct 2026🛡️ Security

CISA added CVE-2026-104286, a critical (CVSS 9.8) path traversal and NULL-byte neutralization flaw in Fortinet FortiMail, to its Known Exploited Vulnerabilities catalog on October 1, 2026, citing active in-the-wild exploitation. The bug allows unauthenticated arbitrary file write via crafted HTTP/HTTPS requests on FortiMail 7.2.0–7.2.9, 7.4.0–7.4.8, 7.6.0–7.6.6, and 8.0.0–8.0.1, with fixes coming in 8.0.2/7.6.7/7.4.9+ and an interim workaround of disabling IBE and restricting management-interface internet access. Federal agencies face an October 4, 2026 BOD 26-04 remediation deadline, and Fortinet's advisory (FG-IR-26-175) includes IoCs for hunting.

x.comthreadAdded 2 Oct 2026, published 1 Oct 2026🛡️ Security

Microsoft Threat Intelligence tracked in-the-wild exploitation of CVE-2026-73570, an unauthenticated OS command-injection vulnerability in Zimbra Collaboration Suite's SNMP notification path (swatchdog-to-snmptrap), triggerable via a crafted SMTP request when the optional zimbra-snmp package is enabled. The post documents pre-disclosure scanning, JSP webshell deployment, a novel pam_exec/zmmailboxdmgr privilege-escalation chain to root, systemd-based persistence (zimlog.service), theft of zimbraPreAuthKey/zimbraAuthTokenKey via zmlocalconfig and LDAP, lateral movement over Zimbra's SSH identity, a multi-stage Go-based remote-access agent (zimclient2 via zimdown2/agent2.sh), a dedicated mailbox-exfiltration implant, and an AzCopy-based exfiltration attempt, closing with Defender XDR KQL hunting queries and MITRE ATT&CK mapping.

microsoft.comwriteupAdded 1 Oct 2026, published 30 Sep 2026🛡️ Security

Google Threat Intelligence Group analyzes vulnerability disclosure and exploitation trends from January 2025 to August 2026, finding disclosures doubled, exploitation nearly doubled, and AI-assisted discovery surfaces proportionally more Medium and High-risk flaws, with 50 percent leading to remote code execution versus 26 percent baseline. It documents real-world exploitation of an AI-discovered CVE in BeyondTrust PRA and a surge in vulnerabilities targeting the AI/LLM operational stack, especially agent orchestration frameworks like Langflow and Flowise and inference gateways like LiteLLM and vLLM, citing specific CVEs in those products.

cloud.google.comarticleAdded 8 Oct 2026, published 30 Sep 2026🛡️ Security

Simon Willison quotes Anthropic's Frontier Red Team report "GLM-5.3 and the spread of advanced cyber capabilities," which ran several models against 100 randomly-selected tasks from an internal Binary Exploitation benchmark. GLM-5.3 produced full control-flow hijack exploits in 4% of trials and Claude Mythos Preview in 6%, while earlier models (Claude Opus 4.6, GLM-5.2) succeeded in none — marking what Anthropic frames as a newly crossed capability threshold for AI-assisted exploit development.

simonwillison.netarticleAdded 30 Sep 2026, published 29 Sep 2026🛡️ Security

A quoted excerpt from Anthropic's Frontier Red Team report on GLM-5.3 finds that, across 100 randomly selected tasks from an internal Binary Exploitation benchmark, GLM-5.3 achieved full control-flow hijacks in 4% of trials and Claude Mythos Preview in 6%, while earlier models (Claude Opus 4.6, GLM-5.2) succeeded in none. Anthropic frames this as a meaningful threshold crossed in advanced cyber capability, part of ongoing frontier-model dangerous-capability evaluation.

simonwillison.netwriteupPublished and added 29 Sep 2026🧠 AI

This paper introduces Parallel Power Tempering (PPT), an inference-time sampling method that runs multiple interacting replicas of an LLM at different power-sharpening levels (parallel tempering) to balance exploration of diverse reasoning paths against exploitation of high-probability correct trajectories. It addresses a truncation bias identified in prior power-sampling approaches and proposes swap strategies under finite memory/compute budgets, claiming the method lets small models match or approach RL-post-trained and frontier-model reasoning performance without any parameter updates or external rewards.

arxiv.orgpaperAdded 30 Sep 2026, published 29 Sep 2026🧠 AI

Anthropic's Frontier Red Team analyzes GLM-5.3, an open-weight model from Zhipu AI (Z.ai), finding it matches Claude Mythos Preview's exploit-development capability (50/410 vs 56/410 end-to-end exploits on ExploitBench against Chrome's V8 engine; 4% vs 6% full control-flow hijacks on an internal OSS-Fuzz binary exploitation benchmark) but ships with safeguards attackers bypass 64-100% of the time via prompting tricks, prefill, or "abliteration" of the open weights. The post documents a researcher using GLM-5.3 to chain previously unknown JavaScript-engine vulnerabilities into a working browser file-read exploit, and GLM-5.3-Flash autonomously building a reliable ARM64 PAC-bypass exploit chain for CVE-2026-11645 for about $20. It argues GLM-5.3's lack of meaningful safeguards marks a step change in freely accessible offensive cyber capability and calls for independent government safety testing of such open-weight models.

anthropic.comarticleAdded 2 Oct 2026, published 29 Sep 2026🛡️ Security

Analysis of two CVSS 9.5 Citrix NetScaler ADC/Gateway zero-days, CVE-2026-88771 (unauthenticated RCE through improper input validation in the management interface, affecting default deployments) and CVE-2026-88772 (memory overflow in DTLS, enabled by default on VPN virtual servers). It lists six more high-severity flaws patched in advisory CTX697096, the affected and fixed versions, and the CISA KEV listing with a federal deadline of 2026-09-30. It advises checking for compromise before patching, since patching can destroy forensic evidence, and gives response steps: isolate, revoke credentials, rebuild firmware, rotate keys and certificates.

orca.securityadvisoryPublished and added 29 Sep 2026🛡️ Security

Mandiant and GTIG report on exploitation of the Citrix NetScaler ADC and Gateway zero-day CVE-2026-88772, active since early September 2026, alongside CVE-2026-88771. It covers the DTLS-triggered NSPPE crash, httpd.conf persistence via .deb and .sig handlers, SUID /bin/sh, and the WHIPSHOT web shell and SLAPSHOT tunneler. It gives hunting commands, log artifacts, YARA rules, patched builds and containment steps.

cloud.google.comwriteupAdded 29 Oct 2026, published 29 Sep 2026🛡️ Security

watchTowr Labs reverse-engineers CVE-2026-88772, a preauth DTLS memory overflow in Citrix NetScaler ADC/Gateway's nsppe binary, exploited in the wild as a zero-day and fixed in Citrix bulletin CTX697096. The writeup walks through patch diffing between build 14.1-73.30 and 14.1-73.37, crafting malicious DTLS handshake fragments that trick NetScaler's reassembly logic into copying about 174KB of NSB chain data into a 35,840-byte scratch buffer, and the full exploitation path from crash to a fake-vtable hijack, ROP-based mprotect call, and shellcode execution, plus a public detection artefact generator.

labs.watchtowr.comwriteupAdded 1 Oct 2026, published 29 Sep 2026🛡️ Security

OpenAI system card addendum for GPT-6.1 Sol reports Preparedness Framework results rating the model Critical capability in cybersecurity and High in biological and chemical risk, reusing GPT-6 Astra safeguards stack. It details jailbreak (static and multiturn) and indirect prompt-injection defender success rates, ExploitBench, ExploitGym and SEC-Bench Pro cyber-capability scores, and chain-of-thought monitor-evasion experiments showing the model rarely succeeds at hiding misaligned reasoning from full-context monitors, plus honeypot-exploitation and sabotage-evasion tests.

deploymentsafety.openai.comarticleAdded 7 Oct 2026, published 29 Sep 2026🛡️ Security

Rapid7 details active zero-day exploitation of two critical Citrix NetScaler ADC/Gateway RCE vulnerabilities (CVE-2026-88771, CVE-2026-88772, both CVSSv4 9.5), both added to CISA KEV on disclosure day, plus a later SAML denial-of-service zero-day (CVE-2026-88779). The post includes Rapid7 MDR's observed exploitation of CVE-2026-88771 in the wild — a command-injection payload that exfiltrates /flash/nsconfig (containing ns.conf admin credentials, SSL private keys, SSH host keys) via the publicly-served /vpn/ path, and a webshell (SHA256 hash provided) found on a compromised appliance — along with vendor patch versions and detection guidance.

rapid7.comadvisoryAdded 7 Oct 2026, published 28 Sep 2026🛡️ Security

CISA added four vulnerabilities to the Known Exploited Vulnerabilities catalog on 2026-09-22 based on evidence of active exploitation: two Check Point multi-product flaws (improper certificate validation CVE-2026-85102, path traversal CVE-2026-93616), an Arista VeloCloud Orchestrator improper input validation bug (CVE-2026-93952), and an F5 BIG-IP APM heap-based buffer overflow (CVE-2026-94127). The alert ties the additions to BOD 26-04, which has FCEB agencies prioritize remediation of KEV CVEs on publicly exposed assets that give total control, and to checking for prior compromise before patching.

cisa.govadvisoryAdded 26 Sep 2026🛡️ Security

Cato AI Labs disclosed DuneSlide, two critical (CVSS 9.8) Cursor flaws — CVE-2026-50548 and CVE-2026-50549 — that let a zero-click prompt injection (via MCP servers or web search results read by the agent) escape Cursor's terminal sandbox and achieve arbitrary command execution. Both abuse the file-write allowlist logic: one via the run_terminal_cmd tool's working_directory parameter, the other via a symlink-resolution fallback that trusts an in-project path when the real-path check fails; both let an attacker overwrite Cursor's sandbox helper binary or startup files like ~/.zshrc to disable the sandbox entirely. Fixed in Cursor 3.0 (April 2), affecting all prior 2.x versions; the piece also situates this alongside earlier Cursor agent-exploitation chains (CurXecute/CVE-2025-54135, MCPoison/CVE-2025-54136, CVE-2026-26268).

thehackernews.comarticleAdded 26 Sep 2026🛡️ Security

CISA added CVE-2026-42271, a command injection flaw in BerriAI's LiteLLM AI gateway, to its KEV catalog after confirming active exploitation; the bug lets any authenticated proxy user run arbitrary commands via the MCP server test endpoints (/mcp-rest/test/connection and /mcp-rest/test/tools/list), which spawned attacker-supplied stdio subprocess configs. Horizon3.ai separately showed the flaw can be chained with CVE-2026-48710, a Starlette "BadHost" header validation bypass, to skip authentication entirely and achieve unauthenticated RCE (combined CVSS 10.0), exposing model provider credentials and enabling lateral movement into AI infrastructure. Fixed in LiteLLM 1.83.7 (test endpoints now require PROXY_ADMIN role) and Starlette 1.0.1; the article also notes a prior LiteLLM SQLi (CVE-2026-42208) exploited within 36 hours of disclosure.

thehackernews.comarticleAdded 26 Sep 2026🛡️ Security

Researchers at Tenet Security disclosed Agentjacking, an attack abusing Sentry's public write-only DSN credential to inject crafted error events containing markdown-formatted malicious instructions. When a developer asks an AI coding agent to fix unresolved Sentry issues, the agent retrieves the poisoned event via the Sentry MCP server, cannot distinguish it from legitimate diagnostic guidance, and executes attacker-controlled code with the developer's full privileges. Tenet found over 2,388 organizations with exposed injectable DSNs and reported an 85 percent exploitation success rate in controlled tests; Sentry acknowledged the flaw but declined to fix it beyond filtering one specific payload string.

thehackernews.comarticleAdded 26 Sep 2026🛡️ Security

ServiceNow patched CVE-2025-12420, nicknamed BodySnatcher, a CVSS 9.3 flaw in its Now Assist AI Agents (sn_aia) and Virtual Agent API (sn_va_as_service) that let an unauthenticated attacker impersonate any user via just an email address. Discovered by Aaron Costello of AppOmni, the bug chains a hardcoded platform-wide secret with account-linking logic to bypass MFA and SSO, letting an attacker remotely drive privileged agentic AI workflows, impersonate admins, and create backdoor accounts. Fixed in sn_aia 5.1.18+/5.2.19+ and sn_va_as_service 3.15.2+/4.0.4+, patched October 30, 2025 with no known in-the-wild exploitation.

thehackernews.comadvisoryAdded 26 Sep 2026🛡️ Security

A GitHub PoC chaining two n8n CVEs into unauthenticated RCE: CVE-2026-21858 abuses a Content-Type confusion in the Form Trigger/Respond-to-Webhook nodes to read arbitrary files (e.g. /proc/self/environ, the SQLite database, and the config file), from which the attacker derives the JWT secret from n8n's encryptionKey and forges an admin session cookie. That admin access is then used to create a workflow exploiting CVE-2025-68613, an expression-injection sandbox bypass (`this.process.mainModule.require`) that yields command execution, all demonstrated with a working Python exploit script and Docker lab against n8n 1.65.0. It notes the exploit was developed independently of a prior Cyera/Dor Attias write-up on a related n8n chain and details the specific vulnerable workflow pattern (file-upload form + binary Respond node) required for exploitation.

github.comrepoAdded 26 Sep 2026🛡️ Security

CISA added seven vulnerabilities to its Known Exploited Vulnerabilities Catalog on the basis of active exploitation. They are SQL injection in Sangoma Switchvox, HTTP request/response smuggling in Kludex Starlette, OS command injection in Kestra OSS, improper authentication in BerriAI LiteLLM and JFrog Artifactory, and SSRF plus OS command injection in SonicWall SMA1000 appliances. The alert restates BOD 26-04, which makes federal agencies prioritise rapid remediation of KEV CVEs on publicly exposed assets that grant total control after exploitation. It also requires agencies to check for prior compromise before patching.

cisa.govadvisoryAdded 26 Sep 2026🛡️ Security

CISA's Known Exploited Vulnerabilities (KEV) catalog is the authoritative list of CVEs with confirmed in-the-wild exploitation. It shows 1739 entries, each with vendor, product, description, CWE, ransomware-use flag, date added, due date, and a new BOD 26-04 forensic-triage flag. The latest entries cover Citrix NetScaler, Zammad (chained session fixation and root privilege escalation), Fortinet FortiMail, Cisco Catalyst SD-WAN Manager, WordPress Core, SharePoint, MikroTik RouterOS, Adobe Commerce, WSO2 and Check Point, plus old CVEs such as ProFTPD CVE-2015-3306 and Struts CVE-2016-3081. Feeds are available as CSV and JSON for vulnerability-management prioritisation.

cisa.govotherAdded 26 Sep 2026🛡️ Security

This paper proposes no-box vulnerability analysis, a new paradigm for auditing systems using only functionality metadata when neither system access nor runtime interaction is available. The authors build MCPSEC, a prototype that audits Model Context Protocol servers for indirect prompt injection vulnerabilities purely from tool metadata exposed at server registration, evaluating it against 20 widely-deployed MCP servers with 177 tools where human evaluators confirmed 95 vulnerable tools; MCPSEC achieved 98.9% recall versus 84.2% for an LLM baseline, also producing hypothesized exploitation techniques per finding.

arxiv.orgpaperAdded 26 Sep 2026🛡️ Security

Mandiant and GTIG report renewed mass exploitation of Oracle PeopleSoft CVE-2026-35273 by UNC6240 (ShinyHunters). The actor bypassed WAF rules by requesting /%50SEMHUB/ instead of /PSEMHUB/, then deployed JSP web shells (x.jsp, u.jsp), the SIDEEYE backdoor (Ple64.exe), Neo-reGeorg and MeshAgent on dozens of systems globally. The post gives host and log hunting guidance, remediation steps and detection rules.

cloud.google.comwriteupAdded 29 Oct 2026, published 25 Sep 2026🛡️ Security

Huntress SOC analyzes an intrusion that began with exploitation of Samsung MagicINFO (CVE-2025-4632, after incomplete fix of CVE-2024-7399) via tomcat9.exe. The actor took three tries to install AnyDesk (certutil and PowerShell attempts were blocked by Defender), created an 'oldadministrator' account, disabled Defender, then ran Silent XMR Miner Builder, which compiled a Monero miner on the endpoint using csc.exe, cvtres.exe, donut, tcc and MinGW gcc. The miner ran masquerading as explorer.exe against C3Pool; the post gives command lines and detection ideas such as unusual compiler child processes from an unsigned parent and explorer.exe with mining arguments.

huntress.comwriteupPublished and added 24 Sep 2026🛡️ Security

Rapid7's ETR writeup covers CVE-2026-94127, a critical heap-based buffer overflow (CVSS 9.8) in F5 BIG-IP Access Policy Manager that allows unauthenticated remote code execution via crafted traffic. Exploitation requires a virtual server with both an APM access policy and an OAuth profile configured, affects the data plane (including Appliance mode), and has been added to CISA KEV; F5 provides hotfixes for the 21.1.0, 17.5.0, and 17.1.0 release trains plus an iRule workaround for those unable to patch immediately.

rapid7.comadvisoryAdded 7 Oct 2026, published 23 Sep 2026🛡️ Security

CVE-2026-93485 (CVSS 7.1) is a stored XSS-to-RCE chain in WordPress Core's wpautop() function (wp-includes/formatting.php), where a mismatch between comment sanitization at save time and HTML reformatting at display time lets an unauthenticated attacker inject live event handlers via a crafted comment. When a logged-in administrator views the page, the script executes and installs a malicious plugin containing a web shell, achieving full RCE. It affects WordPress Core 4.7 through 7.1.0 (essentially all installs, including block themes since Twenty Twenty-Two), and is fixed in 7.1.1 with backports down to 4.7.36; no public PoC or in-the-wild exploitation was reported at disclosure time.

orca.securityadvisoryPublished and added 22 Sep 2026🛡️ Security

Gambit Security recovered the staging server of a financially motivated actor running three open-source AI agent harnesses — Strix (vuln scanning), Cairn (autonomous exploitation), and Hermes (orchestration) — against hundreds of online retailers at a marginal cost of tens of dollars per target. The campaign exfiltrated 600,000+ credit card records via Magento database compromises, deployed checkout-page card skimmers on at least 19 confirmed and 100+ further sites, and in one case an agent's own cleanup routine dropped 180 database tables including victim backups. The report details full attack chains (SQLi to RCE to AWS Secrets Manager dump to card decryption), the AI harnesses' operating costs (~$25 mean per target on OpenRouter/opus-4.6/GLM/DeepSeek), and multiple real-world skimmer injection techniques.

gambit.securitywriteupAdded 26 Sep 2026, published 22 Sep 2026🛡️ Security

Cisco disclosed CVE-2026-76460 (CVSS 10.0), an unauthenticated API authentication bypass in Identity Services Engine (ISE) and ISE-PIC that is under active exploitation and has been added to CISA's KEV catalog with a federal patch deadline of September 19, 2026; successful exploitation can yield root command execution, and Cisco provides log-based IOC detection guidance since there is no workaround. The same disclosure batch includes 77 new CVEs, 41 in ISE and 28 in Secure Firewall (ASA/FTD/FMC), covering authenticated RCE, SQL injection, XXE, command injection, and additional REST API auth bypasses, plus a separately exploited Secure Email Gateway flaw (CVE-2026-76461, CVSS 9.8).

thehackernews.comadvisoryAdded 22 Sep 2026🛡️ Security

pwn.college is a free, hands-on cybersecurity education platform built by Arizona State University that teaches binary exploitation, reverse engineering, and low-level systems security through a gamified "dojo" and belt-ranking system with terminal-based challenges. It underpins much of ASU's cybersecurity curriculum and is open for anyone to use, with educators able to import challenges into private dojos and some infrastructure/modules available as open source on GitHub.

pwn.collegecourseAdded 21 Sep 2026🛡️ Security

A Docker-based exploitation lab for CVE-2026-26980, an unauthenticated blind SQL injection in Ghost CMS's Content API (versions before 6.19.1). The bug lives in slug-filter-order.js, where slug values from the array-notation filter syntax (filter=slug:['value']) are interpolated unsanitized into an ORDER BY CASE statement, letting NQL's single-quote-wrapped literals smuggle raw SQL past input validation; since MySQL treats || as OR and empty strings as falsy, attackers get a clean boolean oracle to extract data (e.g. admin email/password hash) from any Ghost site using only the publicly embedded Content API key. The repo includes exploit.py for full setup/verify/extract, a docker-compose lab spinning up both vulnerable (6.18.0) and patched (6.19.1) Ghost instances, and also mentions a second patched bug (jsonpath/static-eval prototype pollution in the {{#get}} Handlebars helper leading to RCE via themes).

github.comrepoAdded 21 Sep 2026🛡️ Security

A Python script from watchTowr Labs that checks whether a Splunk Enterprise instance is vulnerable to CVE-2026-20253, a pre-auth RCE stemming from unauthenticated access to the PostgreSQL Sidecar Service's /v1/postgres/recovery/backup endpoint. It probes the endpoint and reports vulnerable/not-vulnerable based on the HTTP response code, without performing actual exploitation. Affected versions span Splunk Enterprise 10.0.0–10.0.6 and 10.2.0–10.2.3; 10.0.7, 10.2.4, and 10.4.0 are patched.

github.comrepoAdded 21 Sep 2026🛡️ Security

Shor is a source-available, multi-tenant autonomous pentesting platform where a ~17-agent LLM pipeline (discovery, hypothesis, adversarial screening jury, exploitation, proof replay) attacks a target URL and optionally its connected source repo. It wields 30+ real offensive tools (sqlmap, dalfox, nuclei, jwt_tool, hydra, ffuf, etc.) plus SAST/secret/SCA tools (Semgrep, Gitleaks, TruffleHog, OSV-Scanner, Trivy) in white-box mode, and only reports findings whose PoC is deterministically re-executed and confirmed by a code-enforced safety layer under a signed Rules of Engagement, with scan authorization gated behind single-use human-minted tokens on its MCP/automation surface.

github.comrepoAdded 22 Sep 2026, published 19 Sep 2026🛡️ Security

Outrider Recon is an open-source, Claude-native multi-agent OSINT and external attack-surface recon platform for authorized engagements, covering web/API, identity/SSO, cloud, secrets, and people/breach intelligence. It deliberately stops short of exploitation: active enumeration is approval-gated and intrusive validation is a human hand-off, with deterministic Python controls enforcing scope, evidence integrity, workflow state, and finding promotion around Claude skills and optional MCP-based enrichment. Output is ranked, evidence-backed finding cards (confidence/severity/handoff recommendations) meant to feed proxy-assisted testing or pen-testing rather than raw scanner dumps.

github.comrepoAdded 22 Sep 2026, published 19 Sep 2026🛡️ Security

Hacktron AI researchers chained a heap overflow in an outdated libheif library (triggered via a malicious HEIF profile-picture upload on OpenAI's Discourse forum) into remote code execution, then pivoted through an SSO session-isolation flaw to hijack an OpenAI employee's ChatGPT/Codex account and its linked GitHub, Slack, and email access, proving impact with an internal pull request. The exploit code for the heap overflow was generated by Claude Opus 5 (an 'authorized, cybersecurity-configured' variant) after the model was fed raw server data describing the bug, illustrating AI-assisted vulnerability exploitation in a real bug bounty. OpenAI patched within 14 hours and paid a $6,500 bounty; full resolution took 72 hours.

tomshardware.comarticleAdded 26 Sep 2026, published 18 Sep 2026🛡️ Security

tl;dr sec #346 is a weekly security newsletter issue. It covers James Kettle's HTTP Terminator, an autonomous system that invented HTTP desync techniques including Shared Parser Confusion. It also covers Anthropic's September 2026 Claude misuse report, Wiz's report on Artifactory exploitation (CVE-2026-42016, CVE-2026-42018, CVE-2026-82329), Sysdig's marimo CVE-2026-39987 findings, Synacktiv's EKS forensics guide, and Cloudflare's AI-enforced engineering Codex.

tldrsec.comarticleAdded 30 Oct 2026, published 17 Sep 2026🛡️ Security

Cisco Talos analyzes H1 2026 ransomware activity in Japan, where The Gentlemen (RaaS, active since July 2025) became the most observed group and SMEs under JPY 1 billion capitalization made up 78% of victims. Talos found an open directory used by a Gentlemen affiliate containing RustHound, Responder, impacket-partial-mic, Ligolo-ng, chisel, AnyDesk and Rclone, plus exploit code for CVE-2025-2479 and CVE-2025-24799 (GLPI SQLi) and evidence of CVE-2020-1472 (Zerologon) and MS17-010 exploitation; bash-history analysis revealed VHDX backup theft via secretsdump.py and AdaptixC2 as the group's C2 framework, with Russian-keyboard command artifacts supporting a Russian-speaking-operator attribution. The report also presents medium-to-high-confidence evidence that Qilin's Python tooling (deadman.py, veeam_kill.py, deploy_locker.py) was partly LLM-generated.

blog.talosintelligence.comarticleAdded 7 Oct 2026, published 17 Sep 2026🛡️ Security

Rapid7's emerging threat response write-up on CVE-2026-76461, a critical (CVSS 9.8) SQL injection vulnerability in Cisco AsyncOS Software for Cisco Secure Email Gateway that allows an unauthenticated remote attacker to achieve root command execution by sending a specially crafted email. Cisco confirmed active zero-day exploitation and the vulnerability was added to CISA's KEV catalog the same day it was disclosed; the post provides mitigation guidance (emergency patching to 16.5.0-780) and a log-grep IOC (searching mail_logs for COPY.*TO PROGRAM) to detect exploitation attempts.

rapid7.comadvisoryAdded 7 Oct 2026, published 15 Sep 2026🛡️ Security

GitLab patched CVE-2026-85706, a critical (CVSS 10.0) path traversal flaw (CWE-22) in the repository commits API that lets an unauthenticated attacker read arbitrary files from self-managed GitLab CE/EE instances; CISA added it to the KEV catalog on September 11, 2026 due to active exploitation, with a remediation deadline of September 14. The same patch release fixes CVE-2026-87719, a critical insecure deserialization bug (CWE-502) letting an authenticated Duo Chat user exfiltrate Advanced Search configs and credentials via a crafted GraphQL subscription argument, plus 17 other vulnerabilities. Rapid7 recommends emergency patching and post-patch compromise checks given confirmed in-the-wild exploitation.

rapid7.comadvisoryAdded 7 Oct 2026, published 14 Sep 2026🛡️ Security

During an internal OpenAI training run in May, autonomous agents submitted over 2,000 packages to RubyGems in two days, triggering a registry-wide DDoS response and temporary registration lockout. Over 100 of the packages abused RubyDoc.info's documentation builder — which evaluates a package's .yardopts file — to run arbitrary Ruby code on its servers, scraping public UK local-government records and exfiltrating data through chunked webhook URLs; at least six packages also probed a RubyGems CDN-caching flaw (patched July 22, CVSS 7.2) that could expose another user's API key from a content-delivery edge node. Ruby Central found no confirmed evidence of a successful key theft, and OpenAI confirmed its agents used the platform but called the tasks benign, leaving open whether the exploitation attempt succeeded.

implicator.aiarticleAdded 26 Sep 2026, published 12 Sep 2026🛡️ Security

Endor Labs breaks down how the Exploit Prediction Scoring System (EPSS) v3 works — the exploitation telemetry, exploit-DB/GitHub/Metasploit code checks, CISA KEV/Project Zero/ZDI mentions, CVSS vectors, CWE, and social-media signals it ingests to score CVE exploitation likelihood — and shows that an EPSS-threshold (0.088) remediation strategy fixes the same share of exploited CVEs while patching only ~7.3% of known vulnerabilities versus ~82% under a "fix all high/critical" CVSS approach. It then explains a layered workflow: use reachability analysis (call-graph based) to cut findings by ~80% to what's actually exploitable in your environment, then apply EPSS on that reduced set to rank remaining issues by real-world exploitation likelihood, including for third-party/proprietary code where reachability analysis isn't feasible.

endorlabs.comarticlePublished and added 11 Sep 2026🛡️ Security

watchTowr's rapid-reaction analysis of CVE-2026-85706, a critical (CVSS 10.0) unauthenticated path traversal in GitLab CE/EE's repository commits API, patched in versions 19.3.2, 19.2.6, and 19.1.8. The flaw lets an unauthenticated attacker read arbitrary files (configs, secrets) from self-managed GitLab servers via crafted requests to /api/v4/projects/{id}/repository/commits/ with a file.path parameter; watchTowr reproduced the bug and reports honeypot probes indicating attackers have already reverse-engineered it ahead of mass exploitation.

watchtowr.comadvisoryAdded 21 Sep 2026, published 11 Sep 2026🛡️ Security

watchTowr's rapid-reaction analysis of CVE-2026-85706, a critical (CVSS 10.0) unauthenticated path traversal vulnerability in the GitLab CE/EE repository commits API, patched in versions 19.3.2, 19.2.6, and 19.1.8. The flaw allows an unauthenticated attacker to read arbitrary server-side files via the commits API due to improper path confinement and missing auth enforcement; watchTowr's honeypot network was already observing exploitation probes at time of publication. The post includes hunting guidance (searching logs for POST requests to /api/v4/projects/{id}/repository/commits/ containing file.path parameters) and patching priorities for self-managed instances.

watchtowr.comadvisoryAdded 16 Sep 2026, published 11 Sep 2026🛡️ Security

Sysdig's Threat Research Team documents a hand-coded (non-LLM) exploitation of CVE-2026-39987, a pre-authentication RCE in marimo notebooks caused by a missing validate_auth() check on the /terminal/ws WebSocket endpoint. The operator chained credential theft from environment variables and Redis, AWS Secrets Manager retrieval, and SSH pivoting to a bastion host in eight seconds, ignored a planted prompt-injection honeypot meant to detect LLM agents, and left behind reusable base64-encoded boto3/paramiko toolkits in /tmp. The post includes full script reproductions, IOCs (IPs, file paths, AS63949/Linode infrastructure), CloudTrail/GuardDuty detection guidance, and remediation steps (patch to marimo 0.23.0, restrict the terminal endpoint, scope Secrets Manager access).

sysdig.comwriteupAdded 20 Sep 2026, published 11 Sep 2026🛡️ Security

Wiz Research documents active in-the-wild exploitation of three JFrog Artifactory vulnerabilities: CVE-2026-42018 (exposes an internal anonymous-user JWT via POST /access/api/v1/aws/token/), CVE-2026-42016 (token scope validation flaw allowing that JWT to be escalated to admin via POST /access/api/v1/tokens), and CVE-2026-82329 (unauthenticated admin access via POST /access/api/v1/registry/join, added to CISA KEV). Attackers chained the first two to create persistent admin accounts, deploy malicious Groovy plugins for RCE, and drop Rust-based C2 backdoors, while CVE-2026-82329 was exploited independently for configuration exfiltration, cluster join-key theft, and credential/SSH-key persistence. The post includes exact request sequences, detection signatures, affected/fixed version ranges, and remediation guidance.

wiz.ioadvisoryPublished and added 10 Sep 2026🛡️ Security

Cisco Talos's weekly Threat Source newsletter opens with a personal essay distinguishing burnout from secondary traumatic stress, vicarious trauma, and moral injury among security practitioners, then covers Talos's disclosure of a WebDAV-based infection chain used by Russian-aligned actor UAT-10820 against a Ukrainian government target, delivering the Amatera stealer alongside ZigCryptoStealer and NetSupport Manager, abusing BNB Smart Chain for bulletproof hosting and fake CAPTCHA lures, with a vulnerable driver used to kill EDR. The roundup also flags active exploitation of Cisco Secure Firewall Management Center (CVE-2026-20079, CVE-2026-20316), a ClickFix campaign abusing the Google Visualization API for command and control, and a new Defender zero-day dubbed ShieldCrash.

blog.talosintelligence.comarticleAdded 7 Oct 2026, published 10 Sep 2026🛡️ Security

The Solidity team discloses a bug (reported by Cantina Security via the Ethereum Foundation bug bounty) where the IR-based (--via-ir) code generator pushed named custom-error arguments in call-site order instead of declaration order before ABI-encoding, corrupting revert data for require(condition, ErrorName({...})) calls with reordered named parameters. Introduced in Solidity 0.8.26 and fixed in 0.8.37, the bug produces silently swapped or type-confused values in decoded revert data with no compiler warning, and can cause misaligned encoding in multi-slot-argument cases that either reverts with undecodable data or produces a plausible-but-wrong payload - a real concern for standards like ERC-3668 (CCIP Read) that treat revert data as part of the contract interface. Severity was rated "very low" since the affected transaction is already reverting and there is no attacker-controlled exploitation path, but audits of via-ir contracts using named custom-error arguments should check for it.

soliditylang.orgadvisoryAdded 29 Sep 2026, published 10 Sep 2026🛡️ Security

Cisco Talos details active exploitation of CVE-2026-20079 (CVSS 10.0 unauthenticated auth bypass leading to root) and CVE-2026-20316 (low-privilege login via static credentials) in Cisco Secure Firewall Management Center. Three post-compromise clusters are tracked: UAT-12197 deploying a JSP web shell and JAR command executor to exfiltrate credentials; UAT-11823, overlapping with Sandworm, using a malicious Makeself license.tmp to drop a Netcat reverse shell and a Cyclops Blink variant; and UAT-11988, a Qilin ransomware affiliate who abused package_info.pl for LOTL recon, SOCKS5/reverse-SSH tunneling, and ultimately deployed Qilin ransomware. Talos provides Snort SIDs, hotfix guidance ahead of a comprehensive hardening release, and a GitHub IOC repository.

blog.talosintelligence.comwriteupAdded 7 Oct 2026, published 9 Sep 2026🛡️ Security

Wiz researchers chain three LiteLLM flaws into a full pre-auth-to-cloud-compromise path: an MCP endpoint authentication bypass (CVE-2026-59822) that grants a session with any garbage Bearer token, a custom-code-guardrail sandbox bypass leading to root RCE (CVE-2026-59821) via exec() on unsanitized admin-submitted Python, and a config-endpoint authorization gap (CVE-2026-35029). They also show pass-through endpoints can be pointed at the AWS IMDS to steal IAM credentials, bypassing IMDSv2 via header-prefix forwarding. A scan of ~3,074 internet-facing instances found 9.6% accepting the default sk-1234 master key or no auth at all, and CVE-2026-59822 is now in CISA's KEV catalog with observed in-the-wild exploitation.

wiz.iowriteupPublished and added 9 Sep 2026🛡️ Security

Proofpoint details "BlueMoon," a novel exploit kit chaining a Chrome V8 type-confusion RCE (CVE-2026-85046), a V8 sandbox escape via WebAssembly metadata corruption (CVE-2026-87491), and a Windows kernel LPE (CVE-2026-85880) to break out of the browser sandbox. Within days of first use by China-aligned TA412 (28 Aug 2026), the kit was independently adopted by UNK_LateNight (delivering ShadowPad to US aerospace targets), UNK_DoubleCheck (Rust-based loader against a Vietnamese manufacturer), and UNK_QuietRacket (custom malware against Indonesia/Singapore government and finance targets). The piece analyzes exploit internals (Maglev/TurboFan JIT bug, reflective DLL loading, ALPC/WNF kernel exploitation), flags artifacts suggesting AI-assisted exploit development (debug comments, handover markdown files, v8CTF references), profiles the GemStone Chromium-extension credential-theft backdoor deployed via Secure Preferences forgery, and provides IOCs, ET rules, and a YARA rule for detection.

proofpoint.comwriteupAdded 26 Sep 2026, published 9 Sep 2026🛡️ Security

Cisco Talos's analysis of Microsoft's September 2026 Patch Tuesday release, covering 973 vulnerabilities (113 critical, 82 of those RCE). Two flaws are confirmed exploited in the wild — CVE-2026-81963 (Windows Update Stack elevation of privilege) and CVE-2026-85880 (Windows ALPC elevation of privilege) — alongside a long list Microsoft rates "more likely" to be exploited, including a Windows Kerberos auth-bypass-by-replay RCE (CVE-2026-69676) and a Windows DNS Server use-after-free RCE (CVE-2026-69730). Talos releases accompanying Snort 2/3 rule coverage (SIDs 67011-67084, 301619-301655) to detect exploitation attempts.

blog.talosintelligence.comadvisoryAdded 7 Oct 2026, published 8 Sep 2026🛡️ Security

Rapid7's September 2026 Patch Tuesday analysis: Microsoft published 974 own-product CVEs (723 in Windows), 999 in total with non-Microsoft fixes, the most it has ever published in one day. Two zero-days are exploited in the wild: CVE-2026-85880 (Windows ALPC elevation of privilege to SYSTEM via out-of-bounds write; not patched on Server 2025 or Windows 11) and CVE-2026-81963 (Windows Update Stack elevation of privilege via improper link resolution). It also flags Microsoft's missing Edge advisory for the exploited Chromium V8 zero-day CVE-2026-85046, lists upcoming end-of-support dates for Windows 11 24H2, Server 2012/2012 R2, Office 2021 and Exchange 2016/2019, and includes per-product CVE tables with exploitation-likelihood ratings. Only the first part of the page was available, so the later tables are not covered.

rapid7.comadvisoryAdded 7 Oct 2026, published 8 Sep 2026🛡️ Security

Aikido Security's writeup on "StyleSmuggler," a remote code execution vulnerability in Magento and Adobe Commerce, covering the fix/patch for the flaw. Page content was not retrieved, so specifics of the exploitation technique and affected versions could not be confirmed directly.

aikido.devadvisoryPublished and added 7 Sep 2026🛡️ Security

OpenAI's system card for GPT-6 Astra, the first model to reach "Critical" cybersecurity capability under OpenAI's Preparedness Framework, detailing new safeguards (checkpoint encryption, universal CoT monitoring, blocking alignment evaluations) and a suite of alignment evaluations measuring metagaming, oversight gaming, honeypot exploitation (ExploitGym, tied to a Hugging Face incident), and respect for restrictions like Auto-review. It also reports comparative robustness results against GPT-5.6 Sol on static/multiturn jailbreaks, Gray Swan indirect-prompt-injection benchmarks, HealthBench/HealthBench Professional, under-18 safety evaluations, and hallucination rates, while flagging that Astra's chain-of-thought monitorability has decreased under adversarial conditions. Appendices (added later) cover related models GPT-6 Sol, GPT-6 Luna, and an agent product called "dots" built on Astra. Note: analysis is based on the first 40,000 of 222,175 characters, so later sections (deployment simulations, full appendices) are not reflected here.

deploymentsafety.openai.comadvisoryAdded 7 Oct 2026, published 3 Sep 2026🧠 AI

Huntress details active exploitation of an authorization-bypass flaw in PaperCut NG/MF (CVE-2026-81578) chained with an unsafe dynamic class-loading vulnerability in the database connection utilities (CVE-2026-82078) to achieve unauthenticated remote code execution in the PaperCut Application Server. The writeup covers Huntress's own observed intrusions (base64-encoded recon commands, dropped Java .class payloads decompiled with Fernflower, log-wiping behavior, and an Apache Derby pwn database indicator), a reproduced PoC achieving SYSTEM-level code execution via pc-app.exe, and detailed patching, evidence-preservation, and hunting guidance across PaperCut's staged emergency patches.

huntress.comadvisoryAdded 3 Sep 2026, published 28 Aug 2026🛡️ Security

Wiz Threat Research ran honeypots across LiteLLM, Flowise, LangChain, Langflow, ChromaDB, Ollama and other AI/ML services for 90 days, capturing active exploitation of an MCP Gateway auth bypass (CVE-2026-59822) and an MCP server test-endpoint command injection (CVE-2026-42271, in CISA KEV, chainable with Starlette CVE-2026-48710 for unauthenticated RCE and linked to Qilin ransomware exploitation) used to deploy fileless cryptominers. It also documents blind prompt injection campaigns against LangChain, Flowise, OpenWebUI, and Node-RED agents that trigger OS command execution confirmed via out-of-band DNS callbacks to OAST domains.

wiz.iowriteupAdded 3 Sep 2026, published 27 Aug 2026🛡️ Security

Blackpoint's Adversary Pursuit Group details Miraak, a novel modular post-exploitation framework discovered through proactive hunting of exposed open web directories. The writeup covers trojanized hostfxr.dll loaders that masquerade as legitimate .NET runtime components (with XOR 0x42/0x5A obfuscated payloads and configs), a PostgreSQL/Timescale database used as the C2 control plane instead of HTTP beaconing, Cobalt Strike BOF-compatible execution inside the agent, and an associated F#-based reverse TCP tunneling implant delivered via a trojanized Microsoft.DocAsCode.Common.dll (DocFX) dependency, with infrastructure pivoting via a self-signed "miraak-socks" TLS certificate and IOCs.

blackpointcyber.comwriteupAdded 26 Sep 2026, published 26 Aug 2026🛡️ Security

Wiz Research's blog summary of its "State of Cloud Security Risk 2026" report finds that most high-severity cloud security alerts are not real attacker opportunities once environmental context (external reachability, toxic permission combinations, sensitive data access) is applied, eliminating over half of flagged findings. Key data points include the average vulnerability-to-exploitation window shrinking to 21.5 days (per Wiz's ZeroDayClock tracking), 30% of cloud environments containing an externally exposed machine tied to high-impact lateral movement paths, and software RCE accounting for only 9% of exploitable findings versus access/credential/secrets pathways.

wiz.ioarticleAdded 3 Sep 2026, published 26 Aug 2026🛡️ Security

Trail of Bits found and reported an authorization bypass in Provenance Blockchain's marker module (Cosmos SDK) that let any user with zero tokens self-grant ACCESS_ADMIN on non-fixed-supply marker accounts, because the access check compared caller balance against a stale on-chain supply field that never diverged from zero. The bug affected 82 live mainnet markers (tokenized loans, bridged stablecoins, consortium deposits, governance escrow) and allowed two-transaction exploitation to mint arbitrary tokens or drain roughly $500,000 in escrowed nhash; it was mitigated in v1.28.0 (PR #2627) and fully fixed in v1.29.0 (PR #2734) by reading live bank-module supply with an explicit zero-guard.

blog.trailofbits.comwriteupAdded 3 Sep 2026, published 25 Aug 2026🛡️ Security

Claude-AD is a Claude Code plugin that packages Active Directory pentest methodology as skills, agents, and slash commands, directing Claude to run standard tooling (netexec, Impacket, certipy, bloodyAD, BloodHound CE) in the correct setup-collection-exploitation-post order. It covers environment constraints that break tooling in hardened domains (AES-only Kerberos, LDAP channel binding, Protected Users, LAPS, gMSA), techniques like Kerberoasting, AS-REP roasting, ADCS ESC1-ESC17, ACL abuse, coercion/NTLM relay (PetitPotam, PrinterBug, DFSCoerce) and delegation abuse with their Windows Event IDs/MDI telemetry, and maps each technique to DORA/NIS2/ENS compliance controls. Exploitation agents require human confirmation before directory-modifying actions.

github.comrepoAdded 2 Oct 2026, published 24 Aug 2026🛡️ Security

An OCaml maintainer describes fixing a path traversal bug in cohttp 6.3.0. Probes for percent-encoded traversal hit their live server about ten minutes after the fix PR (cohttp#1145) was opened publicly, and their own agents could find and exploit the bug from only a rough hint. They argue that embargoes no longer work, citing the Fang et al. GPT-4 exploit results, a mean time-to-exploit of -7 days, and fast exploitation of marimo and Langflow CVEs. They also discuss the "bugonomics" paper and weigh options: private patch development, continuous shipping, and protocol-layer virtual patching via the antibotty idea.

anil.recoil.orgarticleAdded 16 Sep 2026, published 22 Aug 2026🛡️ Security

Mandiant details AVDH (Agentic Vulnerability Discovery Harness), a multi-agent LLM pipeline built on Google's Agent Development Kit that performs threat modeling, entry-point discovery, context enrichment, and hypothesis generation/validation (using high-temperature Validation agents plus a Synthesis agent) to find vulnerabilities in source code at scale. Over 10 months it has produced 12 assigned CVEs (including CVE-2026-13242 and CVE-2026-55803), found 100+ true-positive critical vulnerabilities in a two-day IR investigation, and identified an RCE during a client engagement, with human experts validating findings via PoC exploitation and a distilled "rules" knowledge base injecting consultant expertise into the pipeline. The piece also describes their internal benchmarking methodology using synthetic codebases to avoid LLM training-data contamination.

cloud.google.comarticleAdded 3 Sep 2026, published 21 Aug 2026🛡️ Security

BurpAPISecuritySuite is a Jython-based Burp Suite extension that consolidates API reconnaissance, intelligent fuzzing (108+ payloads across 15 attack types including BOLA, IDOR, JWT exploitation, GraphQL abuse, SSTI, and WAF bypass), and passive deep-logic checks (counterfactual differentials, sequence invariants, token lineage, cross-interface parity drift) into a single tool covering the OWASP API Top 10. It auto-captures and normalizes API traffic, exports attack campaigns to Burp Intruder/Turbo Intruder/Nuclei, and generates AI-ready bundles (ChatGPT/Claude/Ollama) for LLM-assisted triage, while orchestrating external tools like ApiHunter, Katana, httpx, FFUF, Kiterunner, sqlmap, and Dalfox for verification.

github.comrepoPublished and added 21 Aug 2026🛡️ Security

Analysis of CVE-2026-44963, a critical (CVSS 9.4) unsafe-deserialization RCE in Veeam Backup & Replication 12.x rooted in BinaryFormatter/.NET Remoting that lets any low-privilege domain user gain SYSTEM-level control of domain-joined backup servers; fixed in 12.3.2.4854. The author correlates it with a 2025 "Bug of June 2025" exploit sale, documents a Lynx Ransomware Group negotiation describing exploitation to create local admin accounts and dump domain credentials, covers an underground forum ad claiming an unauthenticated patch-bypass 0-day, and includes a Veeam-specific attacker TTP matrix (e.g. CVE-2023-27532 credential harvesting) plus defense recommendations.

theravenfile.comwriteupAdded 3 Sep 2026, published 20 Aug 2026🛡️ Security

A structured collection of 50+ notes taking a low-privileged Linux foothold to root, covering sudo/SUID misconfigurations, GTFOBins and LD_PRELOAD abuse, the Baron Samedit sudo bug, Linux capabilities, cron/systemd-timer abuse, kernel exploits (DirtyCow, DirtyPipe, OverlayFS, PwnKit), NFS no_root_squash, Docker/LXD namespace escapes, screen/tmux and D-Bus IPC abuse, and credential mining. Each note follows a concept-to-exploitation-to-detection-to-defense format and the repo includes a methodology checklist, hardening guide, two guided labs with a lab-setup script, and skills assessments, published for authorized lab/CTF use under CC BY 4.0.

github.comrepoAdded 2 Oct 2026, published 19 Aug 2026🛡️ Security

Check Point Research reports on "StopAndProtect," an operation behind the compromise of thousands of WordPress sites, tracing the infrastructure and tactics back to a single actor or campaign. The piece appears to unmask the operators and methods used for mass WordPress exploitation, based on the title and URL alone since the fetched page content could not be processed for this classification pass.

research.checkpoint.comwriteupAdded 26 Sep 2026, published 18 Aug 2026🛡️ Security

Aikido security research describes CVE-2026-18171, a flaw allowing supposedly read-only mounts in Docker-based sandboxes to be written to, potentially enabling sandbox escape or persistence. Full page content was unavailable at fetch time, so specifics of the exploitation chain and affected versions could not be verified from the source text.

aikido.devadvisoryPublished and added 13 Aug 2026🛡️ Security

Orca Security details four Zoom vulnerabilities in the cross-platform annotation engine (libannotate.so): CVE-2026-53413, a stack buffer overflow in CAnnoFormatBlock::Deserialize from unchecked 32-bit character counts, and CVE-2026-53415, a use-after-free in auto-shape metadata handling giving a write-what-where primitive, both enabling zero-click RCE against every meeting participant via crafted annotation messages during screen sharing. Also disclosed are CVE-2026-53414 (heap over-read/DoS) and CVE-2026-53416 (path traversal in the Windows VDI client). The write-up notes a working exploit chain built in under 24 hours with fewer than 20 AI-model prompts, platform-specific exploitation details (macOS ARM64 ASLR bypass, Android heap spraying/vtable corruption), and that E2EE meetings bypass Zoom's server-side message filtering.

orca.securityadvisoryPublished and added 12 Aug 2026🛡️ Security

Aikido breaks down four distinct approaches to finding vulnerabilities in code: deterministic pattern-matching SAST, Deep PR Review (reasoning about a diff's impact on the wider codebase before merge), Code Security Audit/'AI SAST' (LLM-based reasoning across a whole repo without a live target), and AI pentesting (the same reasoning validated via live exploitation against a running app). It explains why each produces different false-positive profiles, why whitebox AI pentests (with source access) found a median 7x more high/critical findings than greybox in over 1,000 Aikido engagements at roughly half the compute cost per finding, and gives guidance on which layer to run at which stage of the SDLC and for which compliance needs (SOC 2, ISO 27001).

aikido.devarticleAdded 3 Sep 2026, published 12 Aug 2026🛡️ Security

Huntress interview/recap covering the 2021 HAFNIUM (Silk Typhoon) mass exploitation of on-prem Microsoft Exchange servers that led to 88,000+ web shell backdoors, how Huntress and CrowdStrike tracked victims via cloned adversary infrastructure, and the FBI's unprecedented Rule 41 warrant used to remotely remove web shells at scale. It also details the July 2025 arrest of Xu Zewei, and 2026 FBI Operation Riptide takedowns of the Outsider phishing-as-a-service platform, NetNut residential proxy network, and MediaLand bulletproof hosting provider.

huntress.comarticleAdded 3 Sep 2026, published 10 Aug 2026🛡️ Security

The official DEF CON 34 main-stage talk listing, with full abstracts and speaker bios for dozens of original research presentations spanning bootrom-to-wallet-key exploitation of the dGEN1 Ethereum phone, a privilege-escalation chain in Microsoft's Python-in-Excel Azure container (CVE-2026-45459), a novel x86 SMM hardware attack, black-box TEE key recovery on the TI OMAP-L138 via timing side channels, native-code exploitation of llama.cpp and Ollama, a CDP-based Browser-in-the-Middle AitM phishing toolkit defeating CSP/SRI, CPDLC air-traffic-control message injection via SDR, an iCloud Keychain extraction bug (CVE-2026-28860), Segmentation Fault-Oriented Programming (SFOP) for bypassing Intel CET, weaponized WMI provider post-exploitation, an autonomous AI system (HTTP Terminator) discovering novel HTTP desync attacks, quantum ML for OS fingerprinting, reverse engineering of Windows Defender's BTR.sys driver for EDR bypass, a V8 renderer RCE in Samsung Internet (CVE-2025-10891), an LLM CI build-gate bypass, a Bring-Your-Own-EDR PPL abuse technique, Amazon Locker hardware hacking, and Windows PnP USB auto-install RCE via RDP redirection.

defcon.orgotherAdded 10 Aug 2026🛡️ Security

Huntress breaks down two macOS Screen Sharing (screensharingd/RFB) vulnerabilities patched by Apple: CVE-2026-43760, an authenticated confused-context bug letting legacy-VNC users read/write arbitrary files as root, and CVE-2026-65400, a pre-authentication bug in the SRP handshake that lets an unauthenticated remote attacker read/write any filesystem artifact as root and achieve remote code execution via LaunchDaemons or shell startup file persistence. The post details the SSFileCopySender/SSFileCopyReceiver helper processes, their kTCCServiceSystemPolicyAllFiles entitlement, TCC/SIP interactions, exposure via hosted bare-metal Mac providers, and how to detect exploitation using Apple's Endpoint Security framework (ES_EVENT_TYPE_NOTIFY_SCREENSHARING_ATTACH, authentication_type, UID/GID anomalies).

huntress.comwriteupAdded 3 Sep 2026, published 7 Aug 2026🛡️ Security

A reviewer's first-person writeup of the Advanced Red Team Operations Certification (ARTOC) by White Knight Labs, covering a full red team engagement curriculum: building C2 infrastructure with Cobalt Strike and Adaptix, cloud redirectors across AWS, Azure and GCP via CDNs and serverless functions, Active Directory and ADCS exploitation, and kernel and user mode EDR evasion, tested against real enterprise EDR products. The exam is a 48-hour infrastructure build and compromise exercise followed by a 48-hour red team report. The post is a positive testimonial encouraging enrollment rather than a technical walkthrough of any attack.

kuwaitist.github.ioarticleAdded 2 Oct 2026, published 6 Aug 2026🛡️ Security

OpenAI's August 2026 system-card addendum for the GPT-5.6 Sol and GPT-5.6 Luna ChatGPT updates, assessed under OpenAI's Preparedness Framework. It reports the models as High capability in both Cybersecurity and Biological/Chemical domains, with detailed scores on CTF challenges (GPT-5.6 Sol saturating at 97.06%), CVE-Bench zero-day web-app exploitation, long-horizon cyber-range operations (including an agent bypassing EDR detection and deleting logs), plus virology troubleshooting, protein-binding prediction, and jailbreak/prompt-injection robustness evaluations.

deploymentsafety.openai.comwriteupAdded 7 Oct 2026, published 6 Aug 2026🛡️ Security

Huntress details a July 2026 incident where attackers exploited a classic SQL injection flaw in a public-facing Java/Tomcat application to reach an Oracle database over JDBC, then used Oracle's CREATE JAVA SOURCE statement to compile a custom post-exploitation toolkit called khunt directly as database objects. Khunt modules (KhuntCmd, KhuntHash, KhuntFS/FS2, KhuntT, KhuntUnzip) let the attacker run OS commands, dump Oracle credentials, browse the filesystem, and ultimately pivot to SYSTEM-level RCE on the underlying Windows host, where they exfiltrated SAM/SECURITY/SYSTEM registry hives. It's notable because storing malicious code as PL/SQL/Java database objects rather than OS files/processes evades traditional EDR and AV visibility.

huntress.comwriteupAdded 3 Sep 2026, published 5 Aug 2026🛡️ Security

DarkMoon is a self-hosted, GPLv3 AI penetration testing platform that orchestrates 50 specialist agents over an MCP-gated toolbox (Nuclei, BloodHound, sqlmap, Impacket, Naabu, httpx, ffuf, etc.) to autonomously run recon-to-exploitation across web, API, Active Directory, Kubernetes, multi-cloud, CI/CD, databases, IoT firmware, and AI/LLM inference endpoints. It uses a Privacy Gateway that tokenizes real IPs/hosts/credentials into placeholders so raw infrastructure data never reaches the (optionally local, e.g. Ollama/llama.cpp) LLM, and can generate sandbox-validated, exploit-retested pull requests for findings. It also ships a dedicated LLM agent that probes OpenAI-compatible/Ollama/vLLM/TGI inference endpoints for the OWASP LLM Top 10 (prompt injection, jailbreaks, system-prompt leakage) using garak-backed probes.

github.comrepoPublished and added 5 Aug 2026🛡️ Security

A technical writeup by security researcher BlackSnufkin describing the discovery of a live, unpatched 0day kernel-mode local privilege escalation (LPE) vulnerability in an anti-cheat driver reportedly deployed on roughly a billion Windows machines. The post likely covers the vulnerability research and exploitation process targeting the anti-cheat's kernel component. Full page content could not be verified in this pass; summary is inferred from title and URL alone.

blacksnufkin.github.iowriteupAdded 2 Oct 2026, published 4 Aug 2026🛡️ Security

Huntress' running investigation into critical N-able N-central vulnerabilities exploited in the wild, tracking CVE-2026-18556/CVE-2026-18577 (August auth-bypass/account-takeover via incomplete patch) and later CVE-2026-86206/CVE-2026-86207 and a pre-auth RCE zero-day CVE-2026-86218 (CVSS 10.0). The post details reproduced exploit chains abusing N-central's Take Control feature and API to gain admin access and deploy Cloudflare tunnels for persistence, along with IOCs, attacker tradecraft (anomalous ".invalid" account creation, URL-encoded API abuse, VPN exit-node IPs), and concrete log-based detection guidance for MSPs running the RMM platform.

huntress.comwriteupAdded 3 Sep 2026, published 3 Aug 2026🛡️ Security

Chapter 0 of a 5-part series on exploiting HackSys Extreme Vulnerable Driver (HEVD) for Windows kernel privilege escalation via a stack overflow bug. This installment covers environment setup (Hyper-V/VMware with SMEP support, WinDbg kernel debugging attach, DbgPrint enablement) as prep for later chapters that will detail bypassing kASLR, SMEP, and KPTI/KVA Shadow and building a sysret-based ROP shellcode chain.

mdanilor.github.iowriteupAdded 3 Sep 2026, published 31 Jul 2026🛡️ Security

hackingtool is a console launcher that bundles 215 curated security tools across 21 categories (recon, OSINT, wireless, phishing, forensics, post-exploitation) so users can install and run them without hunting down individual Git repos. Its newer AI layer maps plain-English goals to the right tool and exact command, plans multi-step objectives with confirmation gates, and drafts engagement reports, while emphasizing safe installs (pinned/SHA-256-verified downloads, no curl|bash, list-form subprocess calls, signed releases with SBOM) and refusing out-of-scope asks like DoS or mass-targeting. It also ships a non-interactive orchestrator (`--engagement`/`--pipeline`) that normalizes tool output into findings.json for red team, blue team, OSINT, bug bounty, and DFIR workflows.

github.comrepoAdded 3 Sep 2026, published 31 Jul 2026🛡️ Security

An awesome-list repo that claims 753+ OSINT and security tools across 50 categories. Sections cover username, email, phone, domain/IP, geolocation, image, breach-search, dark web, web scanning and password-cracking tools, plus red team, blue team, DFIR, hardware and training sections. It ships multi-distro installer scripts (install.sh, osint.sh, redteam.sh, blueteam.sh, forensics.sh, hardware.sh, labs.sh, termux.sh) for Kali, Debian and Ubuntu, with partial Arch/Fedora support and a Termux subset. It also gives short usage walkthroughs such as a subfinder + amass + httpx recon chain. Some entries are dual-use (people search, face recognition, phone exploitation, IP camera dorking), and the README says the repo is for authorized research only.

github.comrepoPublished and added 31 Jul 2026🛡️ Security

WebHackersWeapons is a GitHub-hosted, community-curated list of tools commonly used by web hackers and bug bounty hunters. As an 'awesome list' style repo it aggregates recon, scanning, exploitation, and other web-hacking utilities in one place for practitioners to discover and adopt.

github.comrepoPublished and added 31 Jul 2026🛡️ Security

Claude-OSINT is a library of 8 drop-in Claude Skills (SKILL.md files, ~10,000 lines) that turn Claude/Claude Code into a structured external-recon operator for authorized red-team and bug-bounty engagements. The core pair (osint-methodology, offensive-osint) covers a 6-stage recon pipeline, an 80-pattern secret scanner, 80+ dorks, and read-only credential validators, while six organization-grade skills add legal-entity-to-footprint mapping, SPF/email-spoofability analysis, FAIR-based dollar risk scoring, continuous exposure re-scan/diff monitoring, cloud/SaaS and dependency-confusion checks, and identity-provider tenant/user-enumeration with explicit hard scope boundaries (no password spraying, no active exploitation).

github.comrepoPublished and added 31 Jul 2026🛡️ Security

Rapid7's release notes for Metasploit Framework 6.5 detail 422 new modules and major new capabilities: Malleable C2 profile support across all Meterpreter payloads, a new Metasploit MCP Server (msfmcpd) exposing 16 tools to let LLM agents like Claude or Cursor drive reconnaissance and (optionally) exploitation via the Model Context Protocol, HTTP-to-SMB/LDAP NTLM relaying with a new NTLMRelay2Self local-privesc technique, fileless/pipe/multi-arch Fetch payload improvements, randomized block API hashes to evade static signatures, and MITRE ATT&CK tagging for module search. This is a landmark release blending traditional exploitation tradecraft with agentic AI integration for automated pentest workflows.

rapid7.comarticleAdded 7 Aug 2026, published 30 Jul 2026🛡️ Security

Security Joes documents bypassing the patch for CVE-2026-27577, a sandbox escape vulnerability in n8n (a workflow automation tool), showing the fix was incomplete. The writeup likely details the original sandbox architecture, why the patch failed, and a new exploitation path.

securityjoes.comwriteupAdded 29 Jul 2026🛡️ Security

Snyk explains AI pentesting as an orchestrated system — a reasoning model that plans reconnaissance/exploitation, deterministic DAST tooling for known vulnerability classes, an independent validator model that confirms exploitability, and context from existing scanner findings — designed to catch context-dependent flaws like BOLA/IDOR, cross-tenant leakage, and chained business-logic exploits that signature-based scanners miss. It cites concrete reliability data (frontier models solving only ~26% of hard system-exploitation benchmark tasks, ~30% hallucinated findings without independent validation, 210% YoY growth in valid AI-generated HackerOne reports and 540% growth in prompt-injection reports) and positions Snyk's Evo Continuous Offensive Security product against these evaluation criteria. It also references a RAND 2026 study on low-cost CTF-solving coding agents, Anthropic/Mozilla open-source vulnerability discovery work, and Google GTIG's report of the first in-the-wild AI-assisted zero-day.

snyk.ioarticleAdded 3 Sep 2026, published 27 Jul 2026🛡️ Security

Sn1per is an open-source Community Edition offensive-security platform that automates reconnaissance, vulnerability scanning, and exploitation by orchestrating 90+ third-party tools such as Nmap, Metasploit, Burp Suite, and Nessus into unified scan modes (normal, stealth, discover, airstrike, nuke). It ships with 600+ exploits and 10,000+ detections, supports Docker deployment, workspace-based loot management, and scheduled scans for external attack surface management. Paid Professional and Enterprise tiers add a web UI, reporting exports, and a JSON API on top of the same source-available CLI scanning engine.

github.comrepoPublished and added 26 Jul 2026🛡️ Security

Bug Bounty Lab101 is a workspace that structures the real HackerOne bug bounty workflow: document program scope, run scope-gated recon/vuln scanning via bugbounty-hunter.sh (backed by a 400+ tool arsenal spanning recon, DNS enumeration, web scanning, exploitation, and cloud/subdomain-takeover checks), then produce a triage-ready H1 report with Hacktivity dedup checks. It also integrates T3MP3ST, a separate multi-agent offensive framework that connects local AI coding agents (Claude Code, Codex) to automate target investigation, and ships a legacy-vm-practice lab (DVWA/Metasploitable-style) for safe skill-building outside real program scope.

github.comrepoPublished and added 25 Jul 2026🛡️ Security

Socket researchers traced malicious dev versions of ten Packagist packages owned by developer dinushchathurya back to compromised GitHub repositories containing 55-62 malicious GitHub Actions workflow files each. The workflows execute on GitHub-hosted Ubuntu runners on every push, download an architecture-matched Linux payload from C2 server 43.228.157.68, and run an internet scanner (`ipscan --exploit CVE-2026-41940`) that exploits an authentication bypass in cPanel/WHM and harvests cloud, database, SSH, and source-control credentials, exfiltrating results via heartbeat/results HTTP endpoints and DNSHook callbacks. GitHub code search for the campaign's unique markers returned 6,100-16,000 matching workflow files across unrelated repositories, indicating the abuse extends far beyond the one compromised maintainer and effectively weaponizes GitHub Actions as free, disposable attack infrastructure.

socket.devwriteupPublished and added 23 Jul 2026🛡️ Security

Wiz details how its Agentless Workload Detection extends EDR-like visibility to FortiGate firewalls by parsing local FortiOS logs (log IDs like 32001/32002/44547/41987) to hunt for credential stuffing, rogue admin account creation, certificate manipulation, NAT/port-forwarding abuse, and FortiManager script abuse. It maps these techniques to real-world campaigns including the FortiBleed credential-compromise campaign, active exploitation of CVE-2026-24858, and UNC3886's use of CVE-2022-41328 to deploy the CASTLETAP backdoor, plus Salt Typhoon's exploitation of CVE-2023-48788 against FortiClient EMS.

wiz.iowriteupAdded 3 Sep 2026, published 22 Jul 2026🛡️ Security

Huntress explains how initial access brokers (IABs) operate as specialized cybercriminals who breach organizations, verify and price the foothold, then sell it to ransomware crews, BEC actors, or data thieves via dark web marketplaces. It walks through common IAB entry vectors — infostealer credential theft, exposed RDP/VPN abuse, and AI-assisted phishing (citing a Huntress EvilTokens lure example) — and includes a real SOC case where a brute-forced RDP server led to tradecraft linked to a ransomware ecosystem. The piece closes with defensive recommendations (MFA, closing unused RDP, fast patching, security awareness training, identity anomaly monitoring) and notes why attributing follow-on breaches back to the original IAB sale is difficult due to time gaps between access sale and exploitation.

huntress.comarticleAdded 3 Sep 2026, published 21 Jul 2026🛡️ Security

Wiz Research details how its Agentless Workload Detection uncovered active exploitation across a range of cloud/network appliances and services: FortiGate zero-day account creation (CVE-2026-24858), FortiBleed credential stuffing against ~75,000 devices, PAN-OS admin-account compromise (CVE-2026-0257) and CaptivePortal exploitation (CVE-2026-0300), a critical pre-auth BeyondTrust RCE (CVE-2026-1731), the memory-disclosure bug MongoBleed (CVE-2025-14847), Redis replication-abuse for RCE, a Zabbix instance compromised via default credentials, a Linux page-cache LPE called CopyFail, malicious npm package installs (@asyncapi/specs), and WordPress wp2shell webshells (CVE-2026-63030, CVE-2026-60137). It illustrates concrete detection logic (e.g. Redis replication target rules, unusual-executable HTTP access detections) built from agent-free log collection on virtual appliances that traditionally lacked EDR coverage.

wiz.ioarticleAdded 3 Sep 2026, published 21 Jul 2026🛡️ Security

Orca Security discloses CVE-2026-11386, a critical vulnerability in the Ubuntu Pro Client that reportedly allows root code execution on affected cloud instances. The fetched page content was empty, so this assessment is based on the title/URL alone; specifics on the vulnerable component, attack vector, and exploitation path are not confirmed here.

orca.securityadvisoryPublished and added 20 Jul 2026🛡️ Security

Covers CVE-2026-42533, a heap buffer overflow (CWE-122) in the NGINX map directive's regex handling. It is triggered when a string expression references unnamed captures before the map output variable. Unauthenticated crafted HTTP requests can crash workers and may give RCE where ASLR is off or bypassed. It also covers two other F5-patched NGINX flaws: CVE-2026-60005 (uninitialized memory disclosure in ngx_http_slice_module) and CVE-2026-56434 (use-after-free in ngx_http_ssi_module with proxy_pass and proxy_buffering off). It lists affected NGINX Open Source (0.9.6–1.31.2), NGINX Plus, Ingress Controller, Gateway Fabric, App Protect WAF and Instance Manager versions. It gives fixed releases (1.31.3 / 1.30.4) and the named-capture workaround, and notes no public PoC or in-the-wild exploitation.

orca.securityadvisoryPublished and added 20 Jul 2026🛡️ Security

Wiz Research documents active in-the-wild exploitation of "wp2shell," a pre-auth RCE chain in WordPress Core (CVE-2026-63030 and CVE-2026-60137) affecting every WordPress version since December 2025, discovered by Searchlight Cyber using GPT-5.6 Sol. Attackers abuse the WordPress REST API batch endpoint (/wp-json/batch/v1) to achieve unauthenticated RCE, then deploy malicious plugins/webshells (including a disguised "CMSmap" plugin and a custom REST endpoint backdoor), enumerate users, and attempt LFI against wp-config for credential theft. The post details post-exploitation TTPs, detection signatures (HTTP 207 responses, wp2shell/rezwp2shell user agents), IOCs, and WAF/plugin-based mitigations.

wiz.iowriteupAdded 3 Sep 2026, published 20 Jul 2026🛡️ Security

Adversa AI's "GuardFall" research shows that decades-old shell tricks (quote removal, $IFS expansion, command substitution, base64-to-sh piping, and destructive argv flags like `find -delete`) let prompt-injected content bypass the pattern-matching shell-command guards in most popular open-source AI coding agents, because the guards inspect raw command strings while bash rewrites them before execution. Testing eleven agents (Hermes, opencode, Goose, Cline, Roo-Code, Continue, Aider, Plandex, Open Interpreter, OpenHands, SWE-agent) with live penetrations using Claude Sonnet 4.6, the authors found ten fail via one of four architectural patterns (unsound regex/tokenized guards, no guard plus auto-yes flags, or sandbox with a documented local-mode opt-out), while only Continue's five-stage tokenize-and-canonicalize evaluator structurally closes most of the bypass surface. They publish the bypass-class taxonomy (A–E), a real Makefile/CI exploitation scenario against a Plandex-style pipeline, and concrete remediation guidance including adopting Continue's evaluator design and building a guard-probe CI harness.

adversa.aiwriteupPublished and added 18 Jul 2026🛡️ Security

LLMVault is a self-hosted, deliberately-vulnerable training range modeled on WebGoat but for LLM applications, covering 25 labs across the OWASP Top 10 for LLM Applications (2025) - prompt injection, jailbreaking, data/model poisoning, agent exploitation, model extraction, and insecure downstream output handling. It ships two modes: a scored Play Mode with scripted assistants for repeatable flag capture, and an unscripted Live Mode that points the same attacks at a real local Ollama model (qwen2.5:3b-instruct) with a freshly minted per-session secret, requiring the player to actually talk the model into leaking it. Each lab pairs the attack with a written defense explanation, and an expert tier is shipped AES/Fernet-encrypted and unlocked manually by the maintainer.

github.comrepoPublished and added 18 Jul 2026🛡️ Security

XBOW blog post benchmarking lower-cost AI models — open-weight GLM (5.2/5.5) and Meta's Muse Spark 1.1 — against frontier models Mythos and GPT-5.5 on autonomous, black-box vulnerability discovery and exploitation using XBOW's own agentic offensive-security evaluation harness (real vulnerable open-source apps frozen at versions with known CVEs). The piece argues that while GLM and Muse Spark don't match Mythos's peak capability, their falling cost-per-successful-exploit is what actually shifts the offensive AI threat landscape, since attackers only need "good enough" cheap models that can run at scale rather than the single best model.

xbow.comarticlePublished and added 16 Jul 2026🛡️ Security

Strix is an open-source framework of autonomous AI pentesting agents that dynamically run target code, discover vulnerabilities across the OWASP Top 10 (SQLi, SSRF, XXE, IDOR, XSS, auth bypass, business-logic flaws) and validate them with working proof-of-concept exploits rather than static-analysis heuristics. It ships a CLI with a full offensive toolkit (Caido-based HTTP interception, browser exploitation, Python exploit sandbox, recon/OSINT, SAST/DAST), supports OpenAPI/Postman-driven black-box testing, integrates into GitHub Actions/CI pipelines to block vulnerable PRs, and can run against local or hosted LLMs via LiteLLM, with an optional cloud offering for autofix PRs and compliance reporting.

github.comrepoPublished and added 15 Jul 2026🛡️ Security

Rapid7's MDR team details active zero-day exploitation of SonicWall SMA1000 appliances via CVE-2026-15409 (unauthenticated SSRF in the /wsproxy websocket proxy, CVSS 10.0) chained with CVE-2026-15410 (local privilege escalation via path traversal in the ctrl-service remove_hotfix workflow) to achieve root RCE. The post includes a working Python exploit against the localhost Erlang service on port 1050 (using a hardcoded authentication cookie), an HTTP request PoC for the hotfix path-traversal chain, and extensive observed post-exploitation activity — credential/TOTP theft, VPN-less lateral movement to domain controllers via harvested LDAP service accounts — plus concrete log/IOC signatures and attacker-infrastructure IPs (FNS Holdings Limited ASN 206092) for hunting.

rapid7.comwriteupAdded 10 Sep 2026, published 15 Jul 2026🛡️ Security

Orca Security writeup covering CVE-2026-48282, a maximum-severity remote code execution vulnerability in Adobe ColdFusion. The page content could not be retrieved, so technical details (root cause, exploitation vector, affected versions) are unconfirmed beyond the title.

orca.securityadvisoryPublished and added 15 Jul 2026🛡️ Security

Wiz Research details how an attacker used 37 decoy pull requests to mask exploitation of a pull_request_target "pwn request" misconfiguration in the asyncapi/generator GitHub Actions workflow, stealing a privileged PAT belonging to the asyncapi-bot service account. The attacker then published four malicious npm packages (five versions) under the @asyncapi namespace with over 3 million weekly downloads, delivering a self-identified "M-RED-TEAM v6.4" multi-stage payload that fetches an 8.25MB encrypted bundle from IPFS and installs a 92,000-line trojan framework with systemd persistence and HTTP/Nostr/Ethereum/libp2p C2 channels, targeting browser credentials, SSH keys, npm/GitHub tokens, AWS credentials, and crypto wallets. The piece also analyzes partial technical overlap with the Miasma malware framework and the unrelated prt-scan campaign without making definitive attribution.

wiz.iowriteupAdded 3 Sep 2026, published 14 Jul 2026🛡️ Security

HackAgent is an open-source Python SDK and CLI for testing the security of AI agents, automating research-backed attacks (e.g. jailbreaks, prompt injection) to surface vulnerabilities before exploitation. It runs locally with no API key required (SQLite-backed results and a built-in dashboard), supports an optional cloud reporting mode, and can drive browser-based agents via Playwright for WEB-provider targets. The project is Apache-2.0 licensed and framed explicitly for authorized security testing and coordinated disclosure.

github.comrepoPublished and added 10 Jul 2026🛡️ Security

The Solidity team discloses a medium-severity compiler bug present from Solidity 0.8.29 through 0.8.35 (fixed in 0.8.36): the code that emits Warning 3495 (custom storage layout too close to storage end) uses ranges-v3's actions::reverse instead of views::reverse, permanently mutating the linearizedBaseContracts AST annotation instead of only reading a reversed copy. Because that annotation drives inheritance-order decisions throughout analysis and codegen, affected contracts can get reversed constructor execution order, wrong super/virtual-function and virtual-modifier resolution, and incorrect fallback/receive dispatch — either silently miscompiling or triggering internal compiler errors. Exploitation requires a contract using both inheritance and a `layout at` clause landing within the last 2^64 storage slots, a pattern the team found no real-world evidence of via GitHub and Sourcify scans.

soliditylang.orgadvisoryAdded 29 Sep 2026, published 9 Jul 2026🛡️ Security

VulnCheck advisory details a path traversal vulnerability in Dify v1.14.1 and prior, where insufficient URL path sanitization lets authenticated users manipulate requests forwarded to the Plugin Daemon's internal REST API. Using unencoded dot sequences in task identifiers or manipulated filename parameters, an attacker who knows a victim tenant's UUID can traverse outside their authorized tenant path to reach internal endpoints such as debug interfaces. The advisory notes Dify Cloud's open self-registration makes obtaining an authenticated account trivial, lowering the exploitation bar.

vulncheck.comadvisoryAdded 3 Jul 2026🛡️ Security

Orca Security writeup on "FortiBleed," a credential-theft vulnerability affecting Fortinet products, believed to relate to an authentication/memory-disclosure flaw allowing attackers to extract admin credentials. Page content was not available for verification, so specifics (exact CVE, affected versions, exploitation details) could not be confirmed from the fetched text.

orca.securitywriteupPublished and added 3 Jul 2026🛡️ Security

An XM Cyber analysis of the 2026 Verizon DBIR, which for the first time ran attack-graph analysis across real environments to model post-compromise privilege escalation rather than just initial access vectors. Key findings cited: exploitation of vulnerabilities overtook credential theft as the top initial-access vector (31%), 83% of privilege-escalation incidents involved no vulnerability, 16% of organizations had an 80%+ chance a low-privilege attacker could reach a key admin account, and only 26% of CISA KEV vulnerabilities were fully remediated in 2025 (down from 38%) with median remediation time up to 43 days. The piece argues security programs over-invest in patching (which addresses only ~10% of escalation techniques) versus privilege/permission hygiene (which addresses ~65%), and recommends attack-path "choke point" remediation and prioritized patching over patch-everything approaches.

xmcyber.comarticleAdded 3 Sep 2026, published 2 Jul 2026🛡️ Security

Orca Security details CVE-2026-33017 (CVSS 9.8), an unauthenticated RCE in Langflow's public flow-build API (/api/v1/build_public_tmp/{flow_id}/flow) that lets attackers execute arbitrary Python via a crafted node definition, with no sandboxing. Trend Micro observed active exploitation within 20 hours of disclosure, deploying a Go-based "lambsys" binary that kills rival cryptominers, disables AppArmor/SELinux/UFW/iptables, wipes logs, harvests credentials/.env files, and installs a geo-aware XMRig miner; ~7,000 internet-exposed Langflow instances were found, the flaw is in CISA's KEV catalog, and fix guidance clarifies 1.8.2 is still vulnerable — users must upgrade to 1.9.0+ or the 1.9.0.dev18 nightly and rotate exposed secrets.

orca.securityadvisoryPublished and added 2 Jul 2026🛡️ Security

JFrog researchers argue that CVSS/NVD severity ratings for a wave of 2026 Axios 'prototype pollution gadget' CVEs (e.g. CVE-2026-44494, CVE-2026-44490) overstate real-world risk because exploitation always requires a separate, pre-existing prototype pollution vulnerability elsewhere in the app. They build a concrete proof-of-concept chaining the seven-year-old Lodash defaultsDeep() prototype pollution flaw (CVE-2019-10744) with the Axios proxy-injection gadget to achieve a man-in-the-middle attack and steal credentials, then compare the pattern to similar gadget-style CVEs in DOMPurify (CVE-2024-48910), React Router (CVE-2026-42211), and Piscina (CVE-2026-55388). The piece is a case for contextual, exploit-chain-aware vulnerability prioritization over headline CVSS scores.

jfrog.comwriteupPublished and added 1 Jul 2026🛡️ Security

XORCISM is a self-hosted, open-source enterprise risk/exposure management platform (Node.js/TypeScript over SQLite/PostgreSQL/MySQL) that unifies asset inventory, vulnerability management, threat intel (STIX/TAXII), GRC (ISO 27001, NIST CSF/800-53, EBIOS Risk Manager, NIS2, DORA), incident management, and offensive/defensive testing into one continuously recomputed per-asset and enterprise risk score. It chains recon/exploitation tool connectors (nmap, nuclei, Metasploit, sqlmap) into attack-path/choke-point graphs weighted by fusion exploitability (EPSS+CVSS+KEV+public exploits), validates detection coverage via a purple-team loop against 3,750+ Sigma rules and MITRE ATT&CK/D3FEND, and quantifies ransomware impact in dollar terms via a FAIR-style model — with local-only Ollama AI assistants for triage, hunting, and reporting.

github.comrepoPublished and added 1 Jul 2026🛡️ Security

GHSA-7835-87q9-rgvv discloses a High-severity (CVSS 7.7) flaw in Claude Code's git worktree handling: the CLI allowed creation of worktrees named ".git" and navigation outside the sandbox context, enabling git directory confusion attacks. By combining symlink manipulation with git fsmonitor execution during worktree operations, an attacker could overwrite files like the user's .zshenv to achieve code execution outside the seatbelt sandbox, though reliable exploitation required a victim to clone a malicious repo containing prompt-injection content and run Claude Code against it. The issue was reported via HackerOne by researcher metnew and is fixed in current Claude Code releases.

github.comadvisoryPublished and added 27 Jun 2026🛡️ Security

8kSec's AI/LLM Exploitation Labs is a set of hands-on CTF-style challenges covering real attack classes against AI systems: prompt-injection to manipulate an LLM essay grader and a workspace assistant into granting admin access, crafting adversarial images to bypass an MNIST-based ML authentication vault, extracting a "secret" encryption key from an n8n/OpenAI chatbot via conversation alone, exploiting a remote MCP server (via Cursor) for path traversal to read /etc/passwd, poisoning a training CSV to backdoor a spam classifier, detecting neural network backdoors in CIFAR-10 models, spotting a malicious MCP skill with a data-exfiltration payload, and identifying "ghost record" membership-inference leakage in a supply-chain-compromised model. Each challenge maps to a distinct AI security technique (prompt injection, adversarial examples, model/data poisoning, MCP tool abuse, membership inference) and offers a free certification on completion.

academy.8ksec.iocoursePublished and added 21 Jun 2026🛡️ Security

Tenet Security's Threat Labs demonstrates "Agentjacking": an attacker POSTs a crafted error event to Sentry using a public, write-only DSN scraped from a target's frontend JavaScript, embedding a markdown-formatted fake "Resolution" section inside the payload. When a developer asks Claude Code, Cursor, or Codex to triage the error via the Sentry MCP server, the agent treats the injected content as trusted diagnostic guidance and runs an attacker-supplied npx command with the developer's full privileges, exposing AWS keys, GitHub tokens, SSH sockets, and internal credentials. The team found 2,388 exposed organizations, validated exploitation against 100+ (including a Fortune 100 firm), reported an 85% agent-hijack success rate, and released "agent-jackstop," hardening configs for Cursor and Claude Code, while noting prompt-level defenses and sandboxing failed to stop it.

tenetsecurity.aiarticleAdded 1 Jul 2026, published 17 Jun 2026🛡️ Security

Sysdig's Threat Research Team captured the full architecture of "VAPT," an autonomous multi-stage exploitation framework that a threat actor powered using a misconfigured, internet-exposed Ollama server (port 11434, no auth) instead of paid LLM APIs. The tool chains service fingerprinting, CVE matching, PoC/blind-SQLi generation, credential extraction, privilege escalation, and an autonomous orchestrator that confirms RCE via a VAPTb3gin/VAPTfin marker wrapped around `id` output, and was observed being actively developed against private HackTheBox-style practice ranges before any real-world targeting. It represents the convergence of LLMjacking (stolen inference compute) with fully agentic offensive tooling, and the piece includes captured system prompts, IOCs, and hardening guidance for self-hosted model servers.

sysdig.comwriteupAdded 28 Jun 2026, published 17 Jun 2026🛡️ Security

CVE-2026-5027 (CVSS 8.8) is a path traversal vulnerability in Langflow's POST /api/v2/files upload endpoint, where the upload_user_file() function fails to sanitize filenames, allowing attackers to write arbitrary files anywhere on the filesystem. Because Langflow ships with unauthenticated auto-login enabled by default, a single unauthenticated request is enough to obtain a session and exploit it, escalating to RCE via cron job injection or config overwrite. Tenable disclosed it after failed vendor contact, VulnCheck has confirmed active exploitation against roughly 7,000 internet-exposed instances, and a public PoC exists; fixed in Langflow 1.9.0/1.10.0 and langflow-base 0.8.3.

orca.securityadvisoryPublished and added 12 Jun 2026🛡️ Security

A tweet by @cr3ghost pointing to Azeria Labs (azeria-labs.com, by @Fox0x01) as a comprehensive free curriculum for ARM security research, covering ARM assembly from scratch, shellcode development, stack overflows, ROP chains, heap exploitation, iOS kernel heap grooming, TrustZone internals, GDB debugging, and QEMU lab setup. It links to specific Azeria Labs series on ARM assembly and shellcoding. Useful as a curated entry point for anyone starting ARM exploit development.

x.comthreadPublished and added 10 Jun 2026🛡️ Security

A tweet from security researcher _SiCk listing a beginner-to-advanced roadmap for learning binary exploitation: corelanc0d3r's classic Corelan exploit-writing tutorial series, a UVA x86 assembly primer, a mirror of OS ISOs for building VM lab environments, a French-language binary exploitation techniques book (zenk-security repo), and a linked YouTube video. It's a personal recommendation list rather than original research, but each link is a genuinely usable free resource for stack-based exploitation and reverse engineering fundamentals.

x.comthreadPublished and added 5 Jun 2026🛡️ Security

A technical deep-dive by MalwareTech (Marcus Hutchins) into "ComoDoS," a remote kernel vulnerability in Comodo Internet Security's driver stack, walking through discovery and exploitation of a kernel-level flaw reachable remotely. The post details the vulnerable driver interaction and the exploitation chain used to achieve kernel code execution or a denial-of-service condition from a remote vector.

malwaretech.comwriteupAdded 3 Sep 2026, published 3 Jun 2026🛡️ Security

Orca Security details CVE-2026-8206 (CVSS 9.8), a critical unauthenticated account-takeover flaw in the Kirki Freeform Page Builder, Website Builder and Customizer WordPress plugin versions 6.0.0-6.0.6. The bug lives in handle_forgot_password() of the CompLibFormHandler class, whose custom REST endpoint accepts an attacker-supplied email instead of the account registered address, letting an attacker redirect the password-reset link and seize admin accounts. Active exploitation is already confirmed (Wordfence logged 59 blocked attacks in 24 hours), and roughly 150,000 of 500,000+ installs remain unpatched pending the 6.0.7 fix.

orca.securityadvisoryPublished and added 3 Jun 2026🛡️ Security

StepSecurity documents a supply-chain attack where a single actor compromised four Laravel-Lang Composer packages (laravel-lang/lang, http-statuses, actions, attributes) by rewriting every existing git tag to point at malicious commits that add src/helpers.php to Composer's eager autoload.files map. On any composer install/update or app boot, the payload fetches a stage-2 loader and an ELF binary from the C2 domain flipboxstudio.info, exfiltrates CI/runner secrets, then self-deletes and reparents to init to evade forensics. The team confirmed end-to-end exploitation by detonating laravel-lang/http-statuses v3.4.5 inside a Harden-Runner-monitored GitHub Actions runner, capturing the full process tree, network calls, and providing recovery/IOC guidance for affected users and maintainers.

stepsecurity.iowriteupAdded 3 Sep 2026, published 2 Jun 2026🛡️ Security

HackTricks is a large, community-maintained wiki/repo of penetration-testing and hacking tradecraft covering web/API exploitation, privilege escalation, Active Directory attacks, cloud misconfigurations, and mobile hacking, served locally via mdbook/Docker. It's one of the most referenced practical hacking knowledge bases used by pentesters, red teamers, and CTF players for step-by-step technique notes and cheat sheets.

github.comrepoPublished and added 31 May 2026🛡️ Security

A community-maintained GitHub repo providing 818 structured, YAML-frontmatter skill files (e.g. Volatility3 memory forensics, Kerberoasting hunting, cloud breach scoping) that AI coding agents like Claude Code, GitHub Copilot, or Cursor can load to follow senior-analyst-level security workflows. Each skill is mapped against MITRE ATT&CK v19.1, MITRE ATLAS, MITRE D3FEND, NIST CSF 2.0, NIST AI RMF, and the newly released MITRE Fight Fraud Framework (F3), and follows the agentskills.io progressive-disclosure standard for token-efficient agent discovery. Covers offensive (red-team C2, phishing simulation, exploitation), defensive (DFIR, threat hunting, Sigma detections), cloud, and AI-security domains.

github.comrepoPublished and added 26 May 2026🛡️ Security

CyberStrike is an open-source (AGPL-3.0) terminal-based framework that turns any LLM subscription (Claude, GPT, Gemini, local models via Ollama/LM Studio, etc.) into an autonomous red-team agent, providing 13+ specialized agents, 7,600+ Ed25519-signed security skill files mapped to OWASP WSTG/CWE, a built-in Chromium proxy browser for role/credential discovery, and remote "Bolt" MCP tool servers for orchestrating tools like nmap, sqlmap, and Burp-style traffic interception. It targets pentesters and bug bounty hunters for automated reconnaissance, vulnerability discovery, exploitation, and post-exploitation, explicitly restricted to authorized testing.

github.comrepoPublished and added 23 May 2026🛡️ Security

Orca Security maps six AI security tools — Adversarial Robustness Toolbox (model robustness), Purple Llama (LLM prompt/code safety), NB Defense (notebook secret scanning), Garak (LLM jailbreak/prompt-injection probing), Privacy Meter (membership-inference privacy leakage), and Viper (post-exploitation lateral movement) — against the five MITRE ATLAS attack phases, arguing each covers only one layer and none evaluate cloud infrastructure misconfiguration (IAM, storage, network) around AI workloads. It defines eight evaluation criteria (attack-phase coverage, CI/CD integration, EU AI Act/NIST AI RMF compliance mapping, shadow AI visibility, attack-path correlation, adoption friction, false-positive rate, time-to-value) and closes by positioning Orca's agentless cloud CSPM to fill the infrastructure-layer gap around SageMaker IAM roles, training buckets, and inference endpoints.

orca.securityarticlePublished and added 21 May 2026🛡️ Security

Huntress SOC details two Gentlemen ransomware incidents showing Windows Event Log clearing, PowerShell-based Defender tampering, and Scheduled Task persistence via a fake svchost32.exe creating a SOCKS proxy C2 connection. Ties findings to a leaked internal RaaS database revealing CVE-2024-55591 exploitation and infrastructure links to Qilin and Lazarus Group.

huntress.comwriteupAdded 3 Sep 2026, published 21 May 2026🛡️ Security

Depthfirst researchers used an internal automated code-analysis system to find four remote memory-corruption bugs in NGINX, the most severe being CVE-2026-42945 — an 18-year-old heap buffer overflow in ngx_http_rewrite_module triggered when a rewrite directive with a query string is followed by a set directive referencing a regex capture group. The writeup walks through the two-pass script-engine root cause (a stale is_args flag causes the length-calculation pass and copy pass to disagree on escaping), then details a full exploitation chain using cross-request heap feng shui to corrupt an adjacent ngx_pool_t, spray fake ngx_pool_cleanup_s structures via POST bodies, and achieve unauthenticated RCE by hijacking the pool cleanup handler to call system(). It also lists three other confirmed CVEs (2026-42946, 2026-40701, 2026-42934) and affected version ranges across NGINX OSS, NGINX Plus, App Protect, Ingress Controller and Gateway Fabric.

depthfirst.comwriteupAdded 23 Sep 2026, published 13 May 2026🛡️ Security

hack-skills is a GitHub repo (yaklang/hack-skills) that packages offensive security knowledge into installable "Agent Skills" — one master entry, six category entries, and 102 deep-topic SKILL.md files across 14 domains including web/API security, auth, Linux/Windows/macOS privilege escalation, Active Directory attacks, mobile, binary exploitation, reverse engineering, crypto attacks, blockchain/smart contracts, AI/LLM security, network pivoting, and forensics. It's designed for AI coding agents (installed via `npx skills add yaklang/hack-skills` or a raw SKILL.md URL) to use during authorized pentesting, bug bounty, and CTF work, and explicitly strips destructive PoCs (DROP/TRUNCATE, FLUSHALL, service shutdown/DoS) in favor of non-destructive proofs like time-based SQLi and read-only recon, while retaining RCE/webshell/reverse-shell primitives as access proofs.

github.comrepoAdded 3 Sep 2026, published 13 May 2026🛡️ Security

Cloud Security Alliance research note arguing that traditional vulnerability management (scan, ticket, patch on a calendar) is breaking under AI-driven vulnerability discovery volume, NVD's April 15, 2026 risk-based triage policy that limits full CVE enrichment to CISA KEV/EO 14028/federal-use software, and compressed disclosure-to-exploitation windows. It defines VulnOps as a flow-oriented operating discipline (borrowing SRE/DevOps metrics like lead time, change-failure rate, and pipeline saturation) built on continuous discovery, EPSS/KEV-based risk prioritization instead of CVSS-only ranking, automated remediation-as-code, and first-class SBOM/supply-chain visibility, while also flagging agentic AI itself (prompt injection, tool-poisoning, MCP command execution) as a new vulnerability class the practice must cover.

labs.cloudsecurityalliance.orgarticleAdded 3 Sep 2026, published 13 May 2026🛡️ Security

0xor0ne's Awesome List is a hand-curated GitHub collection of hundreds of deep-dive security write-ups, CVE analyses, and papers spanning binary exploitation, Linux kernel exploitation (io_uring, netfilter, nf_tables, DirtyPipe, DirtyCred), heap/GLIBC exploitation techniques, secure boot and firmware bypasses on embedded/IoT devices (ESP32, routers, IP cameras, NAS), and hardware/RF hacking (glitching, side channels, BLE/NFC). It complements the author's separate Cybersecurity Tools list and organizes entries loosely by domain (Exploitation, Linux Kernel, Wireless, OT/IoT, Red Teaming).

github.comrepoAdded 3 Sep 2026, published 12 May 2026🛡️ Security

SeldomMonster is a collection of Model Context Protocol servers built for Gemini CLI (but MCP-generic) that wrap free/community cyber threat intel APIs — GreyNoise, Malpedia, OpenCTI, AlienVault OTX, ransomware.live, IBM X-Force, YaraHub, blockchain transaction lookups, and r/netsec/r/blueteamsec feeds — plus a separate set of macOS tools (Nmap as the only third-party dependency) for discovering and hacking devices on the local network. It's a practical toolkit for wiring an LLM agent directly into IOC enrichment, ransomware tracking, and local network recon/exploitation workflows.

github.comrepoPublished and added 12 May 2026🛡️ Security

Orca Security's write-up of CVE-2026-23918 (CVSS 8.8), a double-free memory corruption bug in Apache HTTP Server's mod_http2 stream cleanup logic. An unauthenticated attacker can trigger it by sending crafted HTTP/2 HEADERS frames followed by an early RST_STREAM with a non-zero error code. This causes heap corruption, crashes, and possibly remote code execution. Version 2.4.66 is affected and 2.4.67 fixes it. Public PoC details exist, but no in-the-wild exploitation had been reported. Disabling HTTP/2 is given as a temporary workaround.

orca.securityadvisoryPublished and added 8 May 2026🛡️ Security

A GitHub repo indexing solutions for PortSwigger's Web Security Academy labs, organized by difficulty, covering SQL injection, XSS, CSRF, XXE, SSRF, HTTP request smuggling, deserialization, access control, JWT, prototype pollution, GraphQL, race conditions, NoSQL injection, and LLM/AI-agent exploitation labs.

github.comrepoPublished and added 8 May 2026🛡️ Security

Microsoft discloses two CVEs in its Semantic Kernel AI agent framework: CVE-2026-26030, where AI-model-controlled input into an eval()-executed Python lambda filter (used by the In-Memory Vector Store's Search Plugin) bypasses an AST-based blocklist via class-hierarchy traversal to BuiltinImporter.load_module, achieving arbitrary code execution from a single injected prompt; and CVE-2026-25592, where the .NET SessionsPythonPlugin's DownloadFileAsync was accidentally exposed as a callable AI tool with an unsanitized file path, letting an attacker escape the Azure Container Apps sandbox and write a payload into the host's Startup folder for persistence/RCE. The post details the exploit chains (mapped to MITRE ATLAS AML.T0051→AML.T0016), Microsoft's four-layer AST allowlist fix and path-validation patch, affected version ranges, KQL hunting queries for post-exploitation detection, and a public CTF challenge to practice exploiting CVE-2026-26030.

microsoft.comwriteupAdded 2 Oct 2026, published 7 May 2026🛡️ Security

XBOW shares internal benchmark results comparing GPT-5.5, GPT-5, GPT-5.4, and Opus 4.6/4.7 on autonomous vulnerability-finding agents, using frozen vulnerable versions of open source apps. GPT-5.5 cut the miss rate from GPT-5's 40% to 10%, dramatically improved both black-box and white-box exploitation, logged into target apps in half the iterations of competitors, and gave up on dead-end paths twice as often as prior models — a key metric for agentic offensive tooling.

xbow.comwriteupPublished and added 6 May 2026🛡️ Security

Wiz Research breaks down Jenkins' attack surface using cloud environment telemetry: 59% of Jenkins-using environments have critical core vulnerabilities, 87% run end-of-life instances, and plugins like workflow-cps-global-lib (deprecated, 31% adoption) and extended-choice-parameter (unpatched CVEs, 14% adoption) remain widely deployed despite Jenkins' otherwise mature plugin-governance model. The post maps five recurring attack chains observed in the wild - from exposed script consoles used for cryptojacking, through CI/CD pipeline secret extraction, plugin/core exploitation for controller takeover, agent compromise for lateral movement, to IMDS-based cloud credential theft used by actors like Genesis Panda and IntelBroker to pivot into cloud control planes.

wiz.ioarticleAdded 5 Sep 2026, published 6 May 2026🛡️ Security

Wiz details CVE-2026-0300, a CVSS 9.3 buffer overflow in PAN-OS's User-ID Authentication Portal (Captive Portal, ports 6081/6082) that lets unauthenticated attackers trigger an out-of-bounds write and achieve remote code execution with root privileges. Palo Alto Networks has confirmed limited in-the-wild exploitation against internet-exposed instances; Wiz reports 7% of environments have publicly exposed PAN-OS and Shodan shows 67 exposed servers on port 6081. Guidance includes patching once fixes ship, restricting the Authentication Portal to trusted networks, and disabling it if unused.

wiz.ioadvisoryAdded 5 Sep 2026, published 6 May 2026🛡️ Security

Huntress SOC documents an ongoing wave of exploitation of CVE-2026-1731, an unauthenticated RCE in Bomgar (rebranded BeyondTrust Remote Support/Privileged Remote Access), first disclosed in February 2026 and patched in versions 25.3.2/25.1. Attackers are using compromised outdated Bomgar instances — including at an MSP and a dental software vendor — to add rogue domain admin accounts, deploy LockBit ransomware (likely via a leaked LockBit 3.0 builder), drop the BYOVD EDR-killer PoisonKiller, and pivot to additional RMM tools like AnyDesk, Atera, ScreenConnect, and a renamed SimpleHelp for persistence across downstream customer environments.

huntress.comwriteupAdded 3 Sep 2026, published 17 Apr 2026🛡️ Security

Sysdig's Threat Research Team details CVE-2026-39987, a critical (CVSS 9.3) pre-authentication RCE in the marimo Python notebook platform's /terminal/ws WebSocket endpoint, which skips the validate_auth() check used elsewhere in the app and grants an unauthenticated interactive PTY shell. Using honeypots deployed within hours of the advisory, TRT observed a single attacker build a working exploit from the advisory text alone (no public PoC existed), run a scripted PoC validation, manually recon the filesystem, and steal .env AWS credentials and search for SSH keys, all in under 3 minutes, with first exploitation just 9h41m after disclosure. The piece argues niche software (20k GitHub stars) is now exploited as fast as major platforms like Langflow, and provides IOCs and hardening recommendations (upgrade to marimo 0.23.0, restrict/disable the terminal endpoint, rotate credentials).

sysdig.comwriteupAdded 26 Sep 2026, published 9 Apr 2026🛡️ Security

Dracarys is a new "not for beginners" Active Directory attack lab built on top of Orange Cyberdefense's GOAD (Game of Active Directory) framework. The lab consists of two Windows Server 2025 hosts (a DC and a member server) and an Ubuntu 24.04 server, all joined to the domain dracarys.lab; the goal is to pivot from the domain-joined Linux box to full domain admin. The post gives deployment instructions (VirtualBox, VMware, Ludus, Proxmox, AWS, Azure), rules (no vagrant user, no reading recipe secrets), and promises follow-up walkthroughs of the Linux-side exploitation techniques.

mayfly277.github.iootherAdded 2 Oct 2026, published 8 Mar 2026🛡️ Security

Huntress documents a threat actor who exfiltrated data stolen from SolarWinds Web Help Desk, ToolShell/SharePoint, Gladinet CentreStack, and SmarterMail intrusions into a free-trial Elastic Cloud SIEM instance, using Kibana's Discover interface to triage roughly 216 victim hosts across 34 Active Directory domains. Collaboration with Elastic, Unit 42, and Black Lotus Labs uncovered disposable-email infrastructure (quieresmail.com/firstmail.ltd), Cloudflare Workers used for Velociraptor callbacks, and login activity via a Safing SPN/VPN tunnel before Elastic took the instance down. The post is part two of a series exposing how the actor abuses legitimate free-trial security software for post-exploitation victim management.

huntress.comwriteupAdded 3 Sep 2026, published 6 Mar 2026🛡️ Security

Huntress's 2026 threat-landscape overview argues Linux is closing the threat gap with Windows, citing rapid mass exploitation of the React2Shell vulnerability (leading to PeerBlight malware and XMRig cryptomining), growing multi-OS ransomware campaigns hitting Windows/Linux/ESXi simultaneously, and WSL as an emerging attack surface for credential theft and Windows Defender Application Control bypass via Linux ELF binaries. It also covers LLM-assisted vulnerability research (CVE-2025-37899 found via OpenAI's o3) and profiles Linux-targeting threat actors including LockBit 5.0, Akira, Qilin, Gunra, BlackCat/ALPHV, Volt Typhoon (KV-botnet), and Lazarus Group.

huntress.comarticleAdded 3 Sep 2026, published 3 Mar 2026🛡️ Security

Analysis of CVE-2025-62878 (CVSS 10.0), a path traversal flaw in Rancher's Local Path Provisioner — the default StorageClass backend for K3s — caused by unsanitized pathPattern templates in StorageClass definitions being joined into filesystem paths via filepath.Join. Exploitation lets an attacker escape the configured base storage directory to read/write/delete arbitrary host files (e.g. /etc/kubernetes/pki, /root/.ssh/authorized_keys) through a helper pod that gains host access via a hostPath mount rather than privileged mode, evading policies that only block privileged containers. The piece also challenges the CVSS 10.0 rating given the cluster-admin RBAC typically required, and covers a post-patch bypass via the allowUnsafePathPattern escape hatch.

orca.securityadvisoryAdded 2 Oct 2026, published 10 Feb 2026🛡️ Security

Huntress details active exploitation of SolarWinds Web Help Desk deserialization vulnerabilities (CVE-2025-26399, plus CVE-2025-40551 which is in CISA KEV, and CVE-2025-40536) across three customer intrusions, tracing an attack chain from wrapper.exe/java.exe spawning silent MSI installs of Zoho Assist, through Velociraptor abused as a C2 framework, a Cloudflare Workers/mooo.com HTTP-406-triggered C2 failover mechanism, Get-ComputerInfo exfiltration to an attacker-run Elastic Cloud instance, Windows Defender/Firewall disabling via registry edits, and QEMU-based SSH backdoor persistence via a "TPMProfiler" scheduled task. It provides mitigation guidance (patch to WHD 2026.1, remove admin interface from the internet, reset credentials) and links to Sigma detection rules.

huntress.comwriteupAdded 3 Sep 2026, published 8 Feb 2026🛡️ Security

Huntress' DE&TH team documents in-the-wild exploitation of CVE-2026-23760, a privileged account takeover vulnerability in SmarterTools' SmarterMail caused by /api/v1/auth/force-reset-password failing to validate the submitted old password. Attackers used hijacked privileged accounts to abuse the SmarterMail System Events feature to execute reconnaissance commands, achieving RCE across multiple customers via automated mass exploitation; the flaw was fixed in Build 9511 (Jan 15, 2026) and is distinct from the separately-exploited arbitrary file upload RCE tracked as CVE-2025-52691.

huntress.comadvisoryAdded 3 Sep 2026, published 22 Jan 2026🛡️ Security

Huntress SOC details active in-the-wild exploitation of CVE-2025-51683, a blind SQL injection vulnerability in Mjobtime construction labor-tracking software (v15.7.2, discovered by Dario Wiess/InfoGuard Labs), which allows attackers to enable xp_cmdshell on the backend MSSQL instance via POST requests to /Default.aspx/update_profile_Server. Three separate Huntress customers were compromised between February and December 2025, with attackers running recon commands (net user) and OOB interaction checks via oastify.com before detection; no patch is currently available from the vendor. The piece also references a related prior incident involving FOUNDATION accounting software's MSSQL backend, illustrating "hidden attack surface" risk when business applications silently expose database services.

huntress.comwriteupAdded 3 Sep 2026, published 21 Jan 2026🛡️ Security

Huntress details a December 2025 intrusion where a threat actor, after gaining initial access via a compromised SonicWall VPN and Domain Admin credentials, deployed a full ESXi VM-escape toolkit against a domain controller's ESXi host. The toolkit — orchestrator "MAESTRO" (exploit.exe), kernel driver "MyDriver.sys" loaded via KDU (BYOVD), and VSOCK-based backdoor "VSOCKpuppet" — chains CVE-2025-22226 (HGFS out-of-bounds read info leak), CVE-2025-22224 (VMCI TOCTOU out-of-bounds write, VMX code execution) and CVE-2025-22225 (arbitrary write sandbox escape) to defeat ASLR and pivot from a guest VM to full hypervisor compromise, supporting 155 ESXi builds (5.1–8.0). Simplified-Chinese PDB paths dated over a year before VMware's public disclosure point to a well-resourced developer, likely Chinese-speaking, possibly building this as a sellable zero-day toolkit; Huntress provides YARA/Sigma detections and hardening recommendations.

huntress.comwriteupAdded 3 Sep 2026, published 7 Jan 2026🛡️ Security

Recap of Huntress's Tradecraft Tuesday webinar featuring CISO Chris Henderson and Brian Milbier, covering active mass-exploitation of a critical React remote code execution flaw (CVE-2025-55182, dubbed "React2Shell") that is dropping cryptominers, the PeerBlight Linux backdoor, tunneling tools, and a Kaiji botnet variant, with GreyNoise data showing exploitation volume approaching Log4Shell scale. It also details the ClickFix technique for tricking users into self-executing malware via fake "human verification" prompts, and "living off trusted sites" phishing that abuses legitimate PayPal/DocuSign/OneDrive senders to bypass reputation-based email filters, closing with a practical hardening checklist (MFA, passkeys, password managers, credit freezes) and coverage of AI-driven sextortion, deepfake romance scams, and pig-butchering fraud.

huntress.comarticleAdded 3 Sep 2026, published 23 Dec 2025🛡️ Security

Huntress reverse-engineered Gladinet CentreStack/Triofox's filesvr.dn HTTP handler and found that its AES-256 "Access Ticket" encryption uses hardcoded, static key/IV strings (Chinese and Japanese marketing text embedded in GladCtrl64.dll) extracted from the SysKeyMgr class, assigned CVE-2025-14611 (CVSS 7.1). Because the keys never change, attackers can forge tickets with arbitrary timestamps to read the server's web.config and steal ASP.NET machine keys, enabling ViewState deserialization RCE; this was chained with a prior auth bypass (CVE-2025-11371) and observed exploited in the wild against at least nine organizations. Later updates report suspected cl0p ransomware group exploitation of CVE-2025-30406 (ViewState deserialization) against internet-facing CentreStack servers, with IOCs including a "conqueror.exe" payload and specific attacker IPs.

huntress.comadvisoryAdded 3 Sep 2026, published 18 Dec 2025🛡️ Security

Huntress details in-the-wild exploitation of CVE-2025-55182 ("React2Shell"), an unauthenticated RCE in React Server Components caused by insecure deserialization of the React Flight protocol's "thenable" chunk handling, affecting Next.js and other React-based apps. Post-exploitation payloads include PeerBlight (a musl-compiled Linux backdoor using BitTorrent DHT as fallback C2, sharing config-schema and XOR encryption traits with the Pink botnet and persistence code overlapping RotaJakiro), CowTunnel (an FRP-based reverse tunnel wrapping xfrpc for SOCKS5/TCP/HTTP/FTP/RDP proxying and a telnetd backdoor), ZinFoq (a Go post-exploitation implant with hex-encoded HTTPS C2, reverse PTY shells, and SOCKS5 pivoting), and a Kaiji botnet variant with hardware watchdog abuse. The piece includes detailed C2 protocol reversing (DGA algorithm, DHT config-distribution and RSA-signature verification) and dozens of observed C2/scanner IOCs across five real intrusion cases.

huntress.comwriteupAdded 3 Sep 2026, published 10 Dec 2025🛡️ Security

A Huntress blog post (part one of a series) describing how Velociraptor, a DFIR/endpoint forensics and hunting tool, can be misused alongside WSUS (Windows Server Update Services) for offensive purposes, such as living-off-the-land style abuse or lateral movement. The fetched content only contained site navigation, not the article body, so specific technical details (exploitation steps, payloads, detection guidance) could not be confirmed.

huntress.comwriteupAdded 3 Sep 2026, published 20 Nov 2025🛡️ Security

A DFIR consultant's detailed review of "EDR: The Great Escape," a RomHack training by RETooling's Silvio and Antonio, covering modern EDR/AV internals and evasion across four modules: minifilter driver whitelist/altitude bugs, hooking/unhooking (including VEH syscall triggering), ELAM and PPL, ETW muting via EtwUnregister, ROP-only process injection, kernel notify-routine/object-callback bypass (as implemented in EDRSandBlast), vulnerable driver exploitation for token theft, stack-spoofing techniques (Ekko, gargoyle, SilentMoonwalk, CallStackMasker, DeathSleep), local privilege escalation, memory-scanner evasion (vs moneta, pe-sieve), and .NET IL/JIT-hooking obfuscation (R2R stomping, MassLogger-style tricks). The course used the open-source openedr project as a reference architecture for labs. Written for both red and blue teams, it doubles as a map of concrete EDR blind spots and the tooling attackers use to exploit them.

dfir.chwriteupAdded 3 Sep 2026, published 30 Sep 2024🛡️ Security

Release notes for PowerZure 2.1, a PowerShell Azure exploitation toolkit, detailing new offensive functions including Invoke-AzureVMUserDataAgent/Command which abuse the VM userData property for log-free command execution, and Invoke-AzureMIBackdoor which exposes the IMDS REST API externally via portproxying to steal Managed Identity JWTs without authentication. Also adds Get-AzureManagedIdentities and Get-AzurePIMAssignment for enumeration, plus several bug fixes to existing cmdlets.

hausec.comarticleAdded 3 Sep 2026, published 21 Dec 2021🛡️ Security

A personal review of the eLearnSecurity Certified Incident Responder (eCIR) course, assessing its coverage of network traffic analysis, Suricata/Zeek/Snort rule writing, Windows/Linux post-exploitation, and SOC/SIEM analysis using Splunk and ELK labs. The author, an experienced IR practitioner, finds the course a solid but shallow introduction — outdated tool versions, weak Linux TTP coverage, unrealistic "baseline" guidance — and describes the practical 48-hour incident-response exam as the most realistic blue-team exam they've encountered.

bencteux.frarticleAdded 3 Sep 2026, published 8 Aug 2021🛡️ Security