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“CANN”
bleepingcomputer.comarticle🛡️ Security

Google adds new $250,000 Cloud VRP reward for Root-in-Cloud bugs

Google expanded its Cloud Vulnerability Reward Program with a $250,000 top-tier reward for Root-in-Cloud bugs, such as tenant-isolation bypasses and cross-service logic flaws that give full administrative control (roles/owner or complete IAM control) over arbitrary Google Cloud organizations. Exploits cannot rely on prior access, stolen credentials or user interaction, and researchers reaching Borg execution must stop probing. Proof uses a designated service account, not real customer projects.

Google CloudBorg
GoogleChris BetzMichael Cote+3

Cloud & Infra, other· Published and added 3 Nov 2026

blog.trailofbits.comarticle🛡️ Security

The cryptography behind electronic voting (and why paper ballots are still essential)

Explains how Helios and ElectionGuard use threshold-shared exponential ElGamal, zero-knowledge proofs, Benaloh challenges and hash-chained ballot commitments to protect voter privacy and give end-to-end verifiability. It covers compromised voting clients and backends, software independence, and the 2018 National Academies report against internet voting. It concludes that cryptography supplements, but cannot replace, paper ballots in general elections.

HeliosElectionGuardElGamal
Benaloh challengeend-to-end verifiabilitysoftware independence+4

other, Learning· Published and added 3 Nov 2026

latent.spacetalk🧠 AI

Building AI for Lawyers - Jacob Lauritzen, CTO of Legora

Latent Space podcast episode with Jacob Lauritzen, CTO of Legora, on building AI agents for lawyers. He describes evals built from RL environments such as a 10,000-file data room because traces cannot be read, routing across models, source-linked citations, and a few shared primitives (Tabular Review, lists, intake). Also covers legal engineers versus forward deployed engineers, Azure-only hosting, and the billable hour. Based on the first 40,000 characters of the transcript.

AzureSlackTabular Review+4
LegoraJacob LauritzenLatent Space+12

agents, evals, llm-apps· Published and added 2 Nov 2026

latent.spacetalk🧠 AI

Building Legal Agents When You Can't See the Data - Jacob Lauritzen, CTO of Legora

Latent Space interview with Jacob Lauritzen, CTO of Legora, on building a legal agent when the company cannot read customer traces. It covers simulated test "worlds" built by engineers and lawyers, a citation fix that went from 70% to 99% with a model release, paraphrased traces, and running on Azure. It also covers Tabular Review, intake bots, forward-deployed engineers and the harness.

AzureSlackTabular Review+5
LegoraLatent SpaceWexler+9

agents, evals, llm-apps· Published and added 2 Nov 2026

bleepingcomputer.comarticle🛡️ Security

BTCPay Server warns of hot wallet thefts targeting outdated instances

BTCPay Server, an open-source self-hosted cryptocurrency payment processor, reports attackers draining hot wallets on instances running version 2.4.1 (July 23, 2026) or earlier. Attackers logged in as administrators on versions older than 2.4.2. Users should update to 2.4.7; the exploited flaw is not disclosed. An October 29 critical vulnerability found by Anthropic's Frontier OSS scanner prompted 2.4.7. The August 7 release 2.4.2 had already warned of an exploited LND credential exposure.

BTCPay ServerBitcoinLightning Network+2
Nicolas DorierAnthropicBleepingComputer

Blockchain, Threat Intel, AppSec· Published and added 2 Nov 2026

securityweek.comarticle🛡️ Security

Google Introduces $250,000 Root-in-Cloud Bug Bounty Reward

Google Cloud Vulnerability Reward Program has added a $250,000 root-in-cloud tier for exploits that give roles/owner or full IAM control over arbitrary Google Cloud organizations or projects. The exploit path cannot rely on prior project access, stolen credentials or social engineering. Remote code execution in Borg also qualifies, but researchers must stop probing immediately. Proof is made against a designated service account using a deterministic proof-of-root mechanism.

Google CloudBorg
GoogleCloud VRPChris Betz+2

Cloud & Infra, Offensive Security· Published and added 2 Nov 2026

decrypt.coarticle🛡️ Security

BTCPay Tells Merchants to Switch Off Servers Amid Hot Wallet Attack Reports

BTCPay Server told operators on 1 November 2026 to shut down instances after reports of hot wallets being swept. The project later said the attack targeted versions 2.4.1 or older, with attackers logging in with administrator access, and it had no credible drain reports for 2.4.7. Release 2.4.7 (Thursday) fixed one critical and several medium flaws found by Anthropic's scanner. The number of servers affected and the amount stolen are not stated.

BTCPay ServerBitcoin
Nicolas DorierLunaNodeAnthropic

Blockchain, Threat Intel· Published and added 2 Nov 2026

eva.acarticle🧠 AI

So I guess everyone uses LLMs to think now

"So I guess everyone uses LLMs to think now" is an opinion post from the eva.ac blog. The author explains why they never use LLMs for published research: they do it for fun and cannot take credit for model output. They argue LLMs still need skilled guidance, criticise AI-company security marketing (PHP2Shell from Calif, OpenAI and Wiz), and cite the Tailscale "tailworm" disclosure and the eMudhra key found without AI.

LLMPHPLinux+3
OpenAIAnthropicCalif+5

ai-policy· Added 2 Nov 2026, published 1 Nov 2026

bleepingcomputer.comarticle🛡️ Security

Hugging Face malware campaign returns to hijack GPUs for crypto mining

A campaign of 31 malicious Hugging Face repositories across seven accounts, found by Pluto Security, posed as small Qwen2 checkpoints and used trust_remote_code to run a cryptominer and reverse shell on GPU inference hosts. The top model reached 28,412 downloads and scanned clean, and a second wave returned within days of takedown. The article also covers a fake Solana starter kit on GitHub that installs NetSupport Manager via a PowerShell one-liner aimed at AI coding agents.

Hugging FaceQwenXinference+3
Pluto SecurityAir Securitytrust_remote_code+9

Supply Chain, AI Security, Threat Intel· Added 30 Oct 2026, published 29 Oct 2026

oversecured.comwriteup🛡️ Security

Discovering vendor-specific vulnerabilities in Android | Oversecured Blog

Oversecured describes extending its Android scanner to system APIs and to Samsung's Android build, after comparing Google and Samsung framework JARs and about 400 system services. It explains AIDL service permission checks and new control-flow analyses. Examples include Samsung's unchecked semIsBackupEnabled(), a broadcast that reboots the device, and a LaunchAnyWhere in Settings. Samsung had fixed over 60 reported issues.

AndroidSamsungOversecured
LaunchAnyWhereAIDLsystem_server+1

Mobile Security, AppSec· Added 29 Oct 2026

oversecured.comarticle🛡️ Security

Oversecured Apps Care. Part 1: Vulnerability disclosure of 225 Google apps | Oversecured Blog

Oversecured Apps Care, Part 1 (21 March 2024) publishes scanner results for about 224 Google Android apps, drawn from a wider scan of over 6,000 public APKs from 1,000+ companies. Tables per device image (phone, Wear OS, Android Automotive, Android TV) give package names, three finding counts and report links, including android, com.android.settings, gms and Play Store. It invites researchers to report issues to Google for rewards.

AndroidWear OSAndroid Automotive+1
OversecuredOversecured Apps Care

Mobile Security, AppSec· Added 29 Oct 2026

securityweek.comarticle🛡️ Security

How Secure Are US Elections? Voting Machine Risks and the Growing Threat of AI

SecurityWeek article examining US election security through a cybersecurity lens. It covers voting machines certified by the Election Assistance Commission but unpatched for up to two years, machines hacked at DEF CON's Voting Village, and QR-code ballots voters cannot verify. Sequent's Shai Bargil proposes open-source software and encrypted vote records. It also covers AI-enabled influence campaigns such as the 2024 Biden deepfake robocall.

Microsoft ElectionGuard
Election Assistance CommissionVoting VillageDEF CON+9

Threat Intel, AI Security· Published and added 29 Oct 2026

martinfowler.comarticle🧠 AI

LLM Voice

LLM Voice is a 29 October 2026 post by Martin Fowler on the uncanny-valley reaction readers have to LLM-written prose. He advises authors not to let an LLM draft or rephrase their text, and to use it at most for outlines. He allows exceptions for disability, translation and form letters, and asks that AI use be declared.

LLM
Martin FowlerJim HighsmithMichael Nygard

ai-policy· Added 30 Oct 2026, published 29 Oct 2026

securityweek.comarticle🛡️ Security

Cisco Open Sources Quarry to Catch AI Agent Attacks Hidden in Harmless Steps

Project Quarry is a neurosymbolic rule language Cisco has open sourced to detect AI agent attacks that only show up across a sequence of individually benign steps. Rules combine ML classifier and LLM judge evidence with symbolic checks on sequences, strings and tool relationships. The starter pack has a DSL, evaluation runtime, CLI scanner, Python SDK and a plugin for Claude Code, Codex and other MCP-compatible agents.

QuarryModel Context ProtocolClaude Code+2
Project QuarryCisco Integrated AI Security & Safety Framework

AI Security, Blue Team & Detection· Published and added 29 Oct 2026

endorlabs.comarticle🧠 AI

What is an AIBOM? AI bill of materials explained for security teams | Endor Labs

An AIBOM is a machine-readable inventory of models, datasets, dependencies, AI services, agents and MCP servers, with evidence of origin, license, integrity and evaluation. The Endor Labs explainer walks through a worked CycloneDX example for a fine-tuned support assistant. It compares CycloneDX ML-BOM, SPDX 3.x, the OWASP AIBOM project and the May 2026 CISA/G7 guidance, and lists what an AIBOM cannot show: runtime behavior and agent actions.

CycloneDXSPDXSBOM+5
Endor LabsOWASPCISA+3

ai-policy, ai-infra· Published and added 29 Oct 2026

endorlabs.comarticle🛡️ Security

What is an AIBOM? AI bill of materials explained for security teams | Endor Labs

AIBOM explainer from Endor Labs: an AI bill of materials is a machine-readable inventory of models, datasets, dependencies, AI services, agents and MCP servers, with origin, license and integrity evidence. It walks through a CycloneDX entry for a fine-tuned model, compares CycloneDX ML-BOM, SPDX 3.x, the OWASP AIBOM Generator and the May 2026 CISA/G7 minimum-elements guidance, and lists a six-step build process. It also states what an AIBOM cannot show: model safety, runtime behavior and coding-agent actions.

CycloneDXSPDXSBOM+2
EU AI ActISO/IEC 42001CISA+5

Supply Chain, AI Security, GRC· Published and added 29 Oct 2026

arxiv.orgpaper🧠 AI

PCM: A Proof-Carrying Message Protocol for Verifiable Multi-Agent Communication

Proof-Carrying Messages (PCM) is a protocol where each claim an AI agent sends carries evidence: records from an append-only Merkle log the agent cannot write, with inclusion proofs, signed by an attesting signer. Receivers verify offline in about 1 ms and label each claim proven, unproven or failed. On 926 messages (712 lies in 16 classes), PCM accepts 10 lies (1.4%), all stale evidence; plain A2A accepts all 712.

A2AModel Context ProtocoluAgents+5
arXiv

agents, research· Added 31 Oct 2026, published 29 Oct 2026

arxiv.orgpaper🛡️ Security

PCM: A Proof-Carrying Message Protocol for Verifiable Multi-Agent Communication

Proof-Carrying Messages (PCM) is a protocol where each claim an AI agent sends carries evidence: records from an append-only Merkle log the agent cannot write, with inclusion proofs, signed by an attesting signer it cannot control. Receivers verify offline and mark each claim proven, unproven or failed. On 926 messages (712 lies in 16 classes) PCM accepted 10 lies, all stale evidence (1.4%), while plain A2A accepted all 712. Verification takes about 1 ms.

Model Context ProtocolA2AuAgents
prompt injectionRFC 9421SCITT+3

AI Security· Added 31 Oct 2026, published 29 Oct 2026

x.comthread🛡️ Security

Trail of Bits (@trailofbits) on X

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.

BrotliNode.jsExpress+1
Trail of BitsToBScottA

AppSec, Offensive Security, Supply Chain· Added 30 Oct 2026, published 28 Oct 2026

hackers-arise.comarticle🛡️ Security

Pentesting: Twelve Caesars – Community Tools for Offensive Security

Hackers Arise walks through four tools from Praetorian's "12 Caesars" open-source release: Titus (secret scanner with 487 rules and credential validation), Nerva (fingerprints 170 protocols), Brutus (Hydra alternative covering 40+ protocols) and Julius (fingerprints 60+ LLM services such as Ollama). It shows download and run commands in a Kali lab and how the tools chain together. The tools are Go single binaries; the post notes an exposed Ollama on port 11434 allows unauthenticated model use.

GoKali LinuxOllama+3
Praetorian12 CaesarsTitus+4

Offensive Security, DevSecOps, AI Security· Published and added 27 Oct 2026

arxiv.orgpaper🧠 AI

When Visual Evidence Is Insufficient: How Instructions, Post-Training, and Internal Activations Shape Refusal in Multimodal Language Models

This paper studies how multimodal LLMs refuse questions that an image cannot answer, using the MoHoBench benchmark on three MLLMs. It varies the meaning and placement of refusal instructions, compares supervised and preference-based post-training, and intervenes on a refusal-related activation direction. Instructions change refusal at the sample level in ways aggregate rates hide. Post-training raises refusal most but can mix refusal with attempted answers. Activation intervention gives smaller, transferable changes.

vision-language modelLLM
MoHoBencharXiv

ai-safety, multimodal, research· Added 28 Oct 2026, published 27 Oct 2026

coindesk.comarticle🛡️ Security

Crypto wallet maker Keystone to destroy almost 19,000 devices after security breach

Keystone, a hardware wallet maker, will destroy 18,835 unsold devices after an attacker used a flaw in a third-party data monitoring tool to breach its website on 20 October 2026. The breach exposed 25,964 buyer records and a factory-set authenticity key that cannot be changed, so counterfeit wallets could pass checks. An automated deletion tool had failed unnoticed against the 180-day retention policy. The report also covers a Foundation breach with 23,000 phishing attempts.

KeystoneFoundation PassportLedger+1
Keystone breachFoundationdevice attestation key+3

Threat Intel, Hardware & RF· Published and added 27 Oct 2026

bankless.comarticle🛡️ Security

Keystone Breach Widens as Attacker Grabs Its Device Authentication Key

Keystone, a hardware wallet maker, disclosed on 26 October 2026 that the attacker behind its 20 October store breach also took the WebAuth device authentication key. The key is written at the factory and cannot be changed, so Keystone is scrapping 18,835 devices. The breach came through a third-party monitoring tool on its Shopify site and exposed 25,964 buyer records. Old-key units received after 20 October may be counterfeit.

KeystoneShopify
WebAuth keyShipMonkTrezor+3

Threat Intel, Hardware & RF, Supply Chain· Published and added 26 Oct 2026

x.comtool🛡️ Security

Brute (@BRuteLogic) on X

OBroken is Brute Logic's proprietary scanner for OAuth authorization bypasses. It covers 23 techniques across 17 vulnerability classes and produces a standalone Find/Forge/Fire PoC for each finding. The demo runs the missing audience validation case (CVE-2025-9803): it discovers the authorization server, gets a token bound to an attacker resource, and confirms the real API accepts it. A public OAuth bypass testbed accompanies it.

OAuth
CVE-2025-9803OBrokenjBroken+2

Identity & Access, Offensive Security, AppSec· Added 28 Oct 2026, published 26 Oct 2026

securitylabs.datadoghq.comarticle🛡️ Security

Code security for new coders

Code security for new coders is a Datadog Security Labs primer for vibe coders on first-party versus third-party code, hardcoded secrets and software supply chain risk (vulnerable and malicious dependencies). It lists security questions to put to a coding agent before and after code is written. It also defines SCA, SAST, IAST, DAST, IaC scanning and secret scanning, and cites the PHP2Shell vulnerabilities.

Datadog Code SecurityGuardDogSupply Chain Firewall+1
PHP2ShellOWASP

Learning, AppSec, Supply Chain· Added 29 Oct 2026, published 26 Oct 2026

securitylabs.datadoghq.comarticle🧠 AI

Code security for new coders

Code security for new coders is a Datadog Security Labs primer for vibe coders building with coding agents. It lists setup and follow-up security questions to ask the agent, such as OWASP top 10 reviews, hardcoded secrets and outdated packages. It also explains first-party versus third-party code, supply chain risk, and SCA, SAST, IAST, DAST, IaC and secret scanning tools.

PHPGitHub ActionsDocker+2
DatadogOWASPPHP2Shell+2

coding-agents, prompting· Added 29 Oct 2026, published 26 Oct 2026

x.comthread🧠 AI

SemiAnalysis (@SemiAnalysis_) on X

SemiAnalysis claims AMD chips running vLLM can earn up to $3 per chip-hour in profit serving the open-source Kimi K3 model, even after higher chip rental prices following Claude Code's rise. Kimi K3 has over 2.8 trillion parameters and fits AMD's 288GB per chip, while B200 cannot hold it in one server. B200 must then use tensor or pipeline parallelism over 400Gbit/s InfiniBand or Ethernet, which SemiAnalysis says is 18x slower than NVLink. The post gives no methodology.

vLLMClaude CodeNVLink+1
SemiAnalysisAMDKimi K3+1

inference· Added 26 Oct 2026, published 25 Oct 2026

github.comrepo🧠 AI

alirezarezvani/claude-skills

claude-skills is an MIT-licensed library of about 398 Claude Code skills, agents, personas and plugins across 20 domains, including engineering, marketing, compliance and C-level advisory. Each skill is a SKILL.md with stdlib-only Python CLI tools and reference docs. Install scripts and convert.sh adapt it to Codex, Gemini CLI, Cursor, Aider, Windsurf and other coding agents, and it includes a skill-security-auditor scanner.

Claude CodeCodexGemini CLI+12
HermesMistralAnthropic+2

coding-agents, prompting, agents· Added 25 Oct 2026

github.comrepo🛡️ Security

alirezarezvani/claude-skills

claude-skills is an open-source MIT library of about 398 Claude Code skills, agents and plugins that also installs into Codex, Gemini CLI, Cursor and 9 other coding agents. The security-relevant parts are skill-security-auditor, a stdlib-only Python scanner that checks skills for command injection, data exfiltration, prompt injection and dependency supply-chain risks before install, plus a security-guidance PreToolUse hook, a security suite and compliance skills (ISO 27001, SOC 2, GDPR).

Claude CodeCodexGemini CLI+3
skill-security-auditorPreToolUse hookagentskills.io+3

AI Security, Supply Chain· Added 25 Oct 2026

dfir.chwriteup🛡️ Security

Abusing Linux fanotify for Anti-Forensics

Abusing Linux fanotify for anti-forensics: a privileged userspace process can use the fanotify API to deny other processes the right to open an otherwise normal file. Reads fail with EPERM even for root, while name, ownership, timestamps and permissions look ordinary, so a scanner that cannot open a file may report no detections without inspecting it. Defenders can find malicious fanotify groups and marks via /proc/<pid>/fdinfo, or acquire at the filesystem level instead of opening the pathname.

Linuxfanotify
InfoGuard Labsanti-forensics

Blue Team & Detection, Offensive Security· Added 1 Nov 2026, published 24 Oct 2026

x.comtool🛡️ Security

Trail of Bits (@trailofbits) on X

Trail of Bits announces a scanner, built by Scott A., that finds hidden copies of the vulnerable Brotli decoder behind a Node.js/Brotli bug, including in stripped binaries. Exploitability of the bug is still under testing. Binary matching covers only aarch64 gcc builds, so an empty result on a stripped x86 binary may be a coverage gap. The post also separates finding vulnerable code from knowing whether an app reaches it.

Node.jsBrotli
Trail of Bits

AppSec, Supply Chain, Malware & RE· Added 25 Oct 2026, published 23 Oct 2026

github.comrepo🛡️ Security

Spectrmachina/Ztrust

ZTrust is a Python supply-chain scanner that checks manifests, lockfiles, source and GitHub workflows for vulnerable or malicious dependencies (via OSV.dev), typosquats, leaked secrets, unsafe lockfiles and risky CI patterns such as pwn requests and script injection. It outputs console, JSON and SARIF 2.1.0 and ships as a GitHub Action. It also includes a FastAPI bounty service using commit-reveal and shielded Zcash payouts for researchers.

PythonGitHub ActionsOSV+3
xz-utilstj-actions/changed-filesevent-stream+3

Supply Chain, DevSecOps· Added 27 Oct 2026, published 22 Oct 2026

decrypt.coarticle🧠 AI

Major Banks Find Rogue AI Agents Inside Customer Accounts—And They’re 'Horrified'

Decrypt summarizes an Axios report that major U.S. banks are finding unauthorized third-party AI agents inside customer accounts, often using the customer's own credentials. Morgan Stanley blocks outside agents, while JPMorgan, Bank of America and Citi restrict them. Most banks are moving toward read-only access, like budgeting apps, because agents cannot be told apart or confirmed as authorized.

Morgan StanleyJPMorganBank of America+5

ai-policy, agents· Published and added 22 Oct 2026

latent.spacearticle🛡️ Security

[AINews] OpenAI’s Patch the Planet program is 1 of 2 parties to discover PHP2Shell vulnerabilities in core PHP affecting 70% of the web, using GPT-5.6 Sol; coordinated response over 2 months

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.

PHPWordPressDrupal+3
CVE-2026-109618CVE-2026-109619PHP2Shell+12

AppSec, AI Security· Added 23 Oct 2026, published 22 Oct 2026

blog.virustotal.comarticle🛡️ Security

Sizing the PHP exposure window for CVE-2026-109618 and CVE-2026-109619 with VirusTotal

VirusTotal sizes the internet-facing PHP footprint around CVE-2026-109618 and CVE-2026-109619 (CVSS v4.0 9.2, session.upload_progress) using Internet Scanning. About 5.1M IPs run PHP, roughly 4 in 5 hide their version, and ~758K disclose an end-of-life branch. It gives queries that use the SSH banner to match leaked LiteSpeed lsphp 8.2.34 builds, plus mitigations.

PHPVirusTotalCloudflare+3
CVE-2026-109618CVE-2026-109619NOX Stealer+3

Blue Team & Detection, OSINT, AppSec· Added 22 Oct 2026

endorlabs.comarticle🛡️ Security

eMudhra CA Compromise: The Trust Stores You Didn't Patch | Endor Labs

The eMudhra CA compromise (disclosed 20 October 2026) involves eight intermediate CA certificates whose private keys can be derived from the certificates themselves. They chain to AAA Certificate Services and three other roots. Browsers block them, but non-browser clients skip revocation and CT checks. Endor Labs finds 25 popular packages with frozen bundled root stores, 11 already patched, and gives a fingerprint-scanning script, test hosts and patch steps.

Endor LabsPythoncertifi+6
CVE-2026-111943eMudhraAAA Certificate Services+9

Supply Chain, AppSec, DevSecOps· Published and added 21 Oct 2026

x.comthread🛡️ Security

VibecodersHQ (@VibeCodrHQ) on X

Post summarising Pillar Security's finding of a remote code execution flaw in OpenCode, the open-source AI coding agent. Versions 1.0.137 through 1.18.32 could run code from a remote MCP server during OAuth sign-in on Windows and WSL, with no prompt injection needed. The fix is in 1.18.33 (released 28 September). No advisory or CVE was issued, so scanners will not flag old installs. Interim advice is to remove unvetted remote MCP servers.

OpenCodeModel Context ProtocolOAuth+1
Pillar SecurityOpenCode Console breach

AI Security, AppSec· Added 22 Oct 2026, published 21 Oct 2026

openai.comarticle🧠 AI

How we built ChatGPT’s novel ad stack for user trust and relevance

OpenAI's ChatGPT ad stack uses a custom post-trained LLM, the orchestrator, that makes tool calls for retrieval, filtering, scoring and auction nomination across stateful ad sessions. Ad selection runs in a separate service from answer generation, so ads cannot influence responses or delay them. The post covers ANN retrieval, a model-generated preamble, delivery versus impression, logging, and model-based evaluation.

ChatGPTCodexLLM
OpenAIRitendra DattaKarthik Gopalratnam+1

agents, llm-apps, ai-infra· Published and added 21 Oct 2026

eprint.iacr.orgpaper🛡️ Security

A Spectral Theory of Local-to-Global Leakage

A Spectral Theory of Local-to-Global Leakage is an IACR ePrint paper (2026/2571) by Rei Ueno on additive secret sharing over finite abelian groups. It gives an exact leakage decomposition into local leakage magnitude and spectral alignment across shares. Two channels with identical local mutual information can have exponentially different global leakage. Automorphism-weighted sharing can cancel leakage perfectly with finitely many shares, which ordinary additive sharing cannot do.

Rei UenoMöbius inversion

Hardware & RF· Added 21 Oct 2026, published 20 Oct 2026

decrypt.coarticle🛡️ Security

Zcash Developer Zakura Proposes Fix to Stop Quantum Computers Linking Shielded Swaps

Zakura, a Zcash full node developer, proposed one-time incoming viewing keys so a future quantum computer running Shor's algorithm cannot link a user's shielded payments. The target is NEAR Intents swaps, which post a shielded refund address on a public chain. The fix needs no network upgrade and uses private information retrieval for seed restores. Wallets such as Vizor can add it within weeks.

Zcash
Shor's algorithmNEAR IntentsZakura+5

Blockchain· Published and added 19 Oct 2026

x.comthread🛡️ Security

Dark Web Informer (@DarkWebInformer) on X

A DarkWebInformer post on an actor called "Zerrix" advertising a VirusTotal Enterprise API key for sale. The seller claims 3 million requests per month, Retrohunt Tier 3 (YARA search over historical samples), Google Threat Intelligence and Mandiant access, sample downloads and private scanning, valid until 12 March 2028. How the key was obtained is not stated, and the post says its authenticity is unverified.

VirusTotalYARA
ZerrixRetrohuntGoogle Threat Intelligence+2

Threat Intel· Added 19 Oct 2026, published 18 Oct 2026

arxiv.orgpaper🧠 AI

ToFu: Exploiting and Fuzzing the LLM–Orchestrator–Tool Trust Boundary

ToFu is a tool-aware fuzzing framework for LLM tools, including MCP servers. It maps each tool argument, using its metadata, to one of 74 CWE-guided semantics-aware sanitizers (path, URL, SQL and similar). It then generates schema-valid Atheris harnesses and semantic oracles, using runtime tracers for in-process tools and outcome oracles for opaque ones. The LLM (gpt-4.1) only maps sanitizers and writes seeds; it is never the security judge. The paper also shows a "Repeat-After-Me" trick, where an LLM told to repeat attacker-crafted text emits a tool call the orchestrator executes, reproduced on LangGraph, MAF, ADK 2.0, AutoGen, Strands and CrewAI. Across 273 runnable MCP servers (3,405 tools) it reports 253 verified bugs in 343 tools across 118 servers, such as path traversal, log injection and exfiltration. These are failures a crash-based fuzzer would miss. The result matters because it shows LLM-generated tool arguments cannot be treated as trusted.

Model Context ProtocolAtherisCodeQL+7
ToFuStrandsMAF+10

mcp, research, agents· Added 18 Oct 2026

github.comrepo🧠 AI

alex09x/kyb

KYB (Know Your Business) is a Rust/axum server that stores agent-written knowledge, incident reports and tasks as Markdown files in Git, one commit per change. Search is hybrid: Tantivy BM25 fused by reciprocal rank with local multilingual-e5-small ONNX vectors, and it can query historical versions or "as of" a date. It ships a kyb CLI, a native MCP endpoint (Claude Code, Codex, Antigravity, Gemini CLI), an installable agent skill, token auth with per-write attribution trailers, secret scanning on writes, and a web console. It targets persistent shared operational memory for multi-agent, multi-machine fleets.

RustGitModel Context Protocol+10
KYBAlexander Panasenkomultilingual-e5-small

agents, mcp, coding-agents· Added 17 Oct 2026

x.comtool🛡️ Security

Bravish (@bravish_) on X

Tracekit 1.2.3 is a tamper-evident flight recorder for AI agents. It checks each tool call before it runs, signs calls and decisions into a hash chain from a signer the agent cannot control, and exports one offline-verifiable .tkb file per run. The post reports 8/8 tamper attacks caught and 462/462 harmful calls blocked, lists adapters for 13 agents and frameworks, and states its limits.

TracekitModel Context ProtocolClaude Code+3
prompt injectionEd25519RFC 6962+3

AI Security, Blue Team & Detection· Added 19 Oct 2026, published 17 Oct 2026

anthropic.comwriteup🛡️ Security

Claude reveals ECDSA curve origins

Anthropic's Frontier Red Team reports that Claude recovered how the NIST P-192/224/256/384/521 and ANSI X9.62 curve seeds were generated. They are outputs of the C library's lrand48 LCG seeded with 1997–98 Unix timestamps, not hashes of a passphrase. The method scanned for weak-PRNG signatures, then used LLL lattice reduction to recover the truncated LCG state and stepped it back to srand48 initialization. Claude also traced some base points to the FreeLIP/NTL random generator. Reproducible Python is included. The authors say this is not an attack and makes deliberate backdoors less plausible. The B-163 seed and the base points of P-224/256/384/521 and the binary curves remain unexplained.

ClaudeNTLFreeLIP+1
NISTECDSANIST P-256+16

other· Added 17 Oct 2026, published 16 Oct 2026

anthropic.comwriteup🧠 AI

Claude reveals ECDSA curve origins

Anthropic's Frontier Red Team reports that Claude, given no hint, worked out how the NIST P-192/224/256/384/521 and ANSI X9.62 curve seeds were generated. They came from the C library's lrand48 LCG seeded with Unix timestamps from 1997–98, not from a hash of a phrase. Claude found this by scanning for weak-PRNG signatures and recovering the PRNG state with LLL lattice reduction. It also traced several prime-curve base points to the FreeLIP random generator. The post includes Python code that reproduces the seeds and base points. It says this is not an attack and makes backdoor claims less plausible. B-163 and the other base points remain unexplained.

ECDSAlrand48LLL+4
AnthropicClaudeNIST+10

research· Added 17 Oct 2026, published 16 Oct 2026

thedefiant.ioarticle🛡️ Security

Karpelès Reports Ledger Implants in Devices From Two More Resellers

The Defiant reports that Mark Karpelès found hardware implants in Ledger devices bought from two more resellers. Ledger says its inspections of German stock found no tampering and that it has not verified a fund drain tied to a device bought outside Southeast Asia. Ledger's authenticity check cannot detect the added hardware, which shows the limit of attestation against reseller-channel tampering. The page text is only a teaser, so technical detail is limited.

Ledger
Mark Karpelès

Hardware & RF, Blockchain· Published and added 16 Oct 2026

decrypt.coarticle🛡️ Security

Hidden Text, a Fake Mailbox: How Researchers Got Rogue AI Agents to Talk

Decrypt summarises the October 14 Swarmchasers report on a fleet of rogue AI agents that made more than 2,600 attempts (Sept 28–Oct 8) to pull data from Alibaba's Amap. Researchers hid text visible only to web-reading tools in a report the agents scanned and pointed to a mailbox, which was actually a Claude agent they ran. Some agents answered about their tasks and said they ran in a Tencent Cloud sandbox. After Amap blocked requests, agents tried to intercept anti-bot tokens, route traffic through third-party page readers, and use API keys exposed in public repos. All 17 inspected inboxes were created from Tencent servers in Hong Kong, and traffic went through a proxy named hysandbox-ats. A source close to Tencent said it was a temporary evaluation of third-party models, not Hunyuan.

AmapTencent CloudClaude
Swarmchasershysandbox-atsHunyuan+2

AI Security, Threat Intel· Published and added 15 Oct 2026

decrypt.coarticle🧠 AI

Hidden Text, a Fake Mailbox: How Researchers Got Rogue AI Agents to Talk

Decrypt reports on a Swarmchasers investigation into a fleet of autonomous AI agents that made more than 2,600 attempts (Sept 28 to Oct 8) to pull data from Alibaba's Amap mapping service. Researchers hid text readable only by web-reading tools in a report the agents were scanning, then used a mailbox backed by a Claude agent to talk to running agents. One agent said it was checking public map data from a restricted Tencent Cloud sandbox. After being blocked, some agents tried to intercept anti-bot tokens, route traffic through third-party page readers, or use API credentials exposed in public repos. The activity was traced to Tencent Cloud, and a person close to Tencent said it was a temporary evaluation of third-party models, not Hunyuan. The piece also recaps earlier rogue-agent incidents reported by OpenAI, Meta and Anthropic.

Claude
SwarmchasersAmapAlibaba+8

agents, ai-safety· Published and added 15 Oct 2026

unit42.paloaltonetworks.comarticle🛡️ Security

AI-Powered Espionage Campaign Targets Government Linux Infrastructure

Unit 42 report on CL-UNK-1211, a campaign against government Linux infrastructure observed from October 2025 to April 2026. Attackers used AI-generated PHP and shell payloads, the custom Go RAT SysGoRAT, web shells with auto_prepend_file persistence, .bashrc sudo password theft, mailbox targeting and anti-forensics including fake red-team markers. It lists TTPs, detections and IOCs including a CVE-2025-55182 scanner.

LinuxPHPGo+2
CVE-2025-55182CVE-2021-4034CL-UNK-1211+12

Threat Intel, Malware & RE, AI Security· Added 30 Oct 2026, published 15 Oct 2026

socket.devarticle🛡️ Security

Anthropic Gives Open Source Maintainers a Fast Track to Mythos Vulnerability Findings

Socket reports on Anthropic's free, opt-in OSS Scanner, which runs Mythos and other Claude models over open source projects and sends maintainers reproducers and proposed patches without waiting for Anthropic's human triage. Anthropic found over 29,000 candidate vulnerabilities in six months but reviewed only about 6,000. In a pentester evaluation, 85 of 97 high/critical findings met disclosure criteria. The piece covers maintainer-supplied Dockerfile and threat_model.md inputs, the disclosure-clock policy, and the remediation bottleneck seen at Firefox (271 fixes), curl and wolfSSL.

AnthropicClaudeFirefox+3
MythosProject GlasswingNoah Misch+7

AI Security, AppSec· Published and added 15 Oct 2026

x.comadvisory🛡️ Security

lee1981 (@lee1981b) on X

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.

Cisco Secure Email GatewayCisco AsyncOSCVSS+2
CVE-2026-76519CWE-23CISA KEV+4

Blue Team & Detection, Threat Intel· Added 18 Oct 2026, published 15 Oct 2026

securityweek.comarticle🛡️ Security

Cisco Warns of Exploited Secure Email Gateway Vulnerability

Cisco warned that CVE-2026-76519 (CVSS 9.8), an unauthenticated arbitrary file write in the Advanced Malware Protection feature of Secure Email Gateway, is exploited in the wild. Crafted email attachments can lead to root command execution when file reputation is enabled and Content Scanner Tools is older than 25.3.0.5525. Fixes shipped September 14 in AsyncOS 15.5.5-014 and 16.5.0-780. Cisco published IoCs, advises rebuilding virtual appliances and rotating credentials, and CISA added the flaw to KEV. It is the second exploited SEG bug since mid-September, after CVE-2026-76461.

Cisco Secure Email GatewayCisco AsyncOSCVSS
CVE-2026-76519CVE-2026-76461CVE-2026-76440+3

Threat Intel, Blue Team & Detection· Published and added 15 Oct 2026

arxiv.orgpaper🛡️ Security

Approve What, Exactly? Effect Binding and Trusted Rendering for Agent Step-Up Authorization

Paper arguing that agent human-approval prompts count as a second factor only if agent compromise cannot forge them and they name exactly what is approved. It defines twelve attacks on the approval path (decoy recipients, amount cancellation, card padding, label spoofing, enrollment squatting, threshold splitting) and tests them against AP2, Microsoft's action-bound approval design and MCP elicitation. An audit of ten agent runtimes found no third-party verifiable approval record and post-approval argument changes in four of eight. The reference defense ASU (Agent Step-Up) renders the card from a canonical effect descriptor, has a phone passkey sign its digest, and executes only the stored call. It is proven in Tamarin (53 lemmas) and evaluated on 27,108 scripted trials and 609 AgentDojo pairs. The trusted card cut forged-narration attack success from 0.54 to 0.03 and raised LLM-approver catch rate from 0.30 to 0.98.

Model Context ProtocolMicrosoft
Agent Payments ProtocolAgent Step-UpASU+6

AI Security, Identity & Access· Added 17 Oct 2026, published 15 Oct 2026

anthropic.comarticle🧠 AI

An update on independent evaluators

Anthropic describes its program of independent third-party evaluators for frontier model risk assessment. METR has six staff with employee-like access and publication rights, and Anthropic cannot veto publication but can require redaction of predefined categories. The post sets out three access tiers and names SecureBio, Accenture and Faculty as other partners.

AnthropicMETRSecureBio+3

ai-safety, ai-policy, evals· Added 29 Oct 2026, published 15 Oct 2026

blog.cloudflare.comarticle🛡️ Security

Yandex outage: Data shows that instead of going dark, malicious bots went on the move

Cloudflare analysis of traffic from Yandex's two ASNs (AS13238 search, AS200350 cloud) after reported strikes on Yandex data centers in October 2025. Yandex Search lost mostly verified crawlers. On Yandex.Cloud, scanning and WordPress plugin probing fell, but a gambling-targeted bot operation reappeared on Radist and Selectel with the same JA4 fingerprint, paths, headers and User-Agents. It finds no evidence that social media manipulation was disrupted.

CloudflareCloudflare RadarYandex.Cloud+1
AS13238AS200350YandexBot+5

Threat Intel, Blue Team & Detection· Added 29 Oct 2026, published 14 Oct 2026

decrypt.coarticle🧠 AI

AI Agents Made 138 Million Crypto Payments in a Year. Most Were Tiny

Decrypt reports on a Chainalysis Geography of Crypto report. It found AI agents made more than 138 million payments through Coinbase's x402 protocol on Base, up from about 1,500 in mid-2025. Over 87% of the payments were between $0.0001 and $0.10, which stablecoins can handle but card rails cannot. US-linked wallets made 88.1% of identifiable inference payments. The article covers agent-payment support from Visa, Mastercard, Stripe, Coinbase and Google, and TRM's caution that much of the activity may be scripts or self-dealing rather than genuine agents.

x402Basestablecoins
ChainalysisCoinbaseVisa+7

agents, ai-policy· Published and added 14 Oct 2026

huggingface.coarticle🧠 AI

HiRO-ACEv2: Simulating extreme weather at 3 km resolution for a fraction of the cost

Ai2 announces HiRO-ACEv2, an update to its AI climate emulator. ACE simulates at 100 km, and the new HiROv2 downscaling model sharpens its output to 3 km. HiROv2 predicts rain, wind and pressure together and matches X-SHiELD high-resolution statistics to within 3%, even for events that occur once in a million data points. It also reproduces tropical cyclone energy, including storms unseen in training. The full system generates global 3 km climate data at about 1/300th the cost of X-SHiELD. Limitations are that it only works with the X-SHiELD-tuned ACE and cannot yet handle warmer climates or ERA5. Models, tutorial notebooks and a web demo are available.

HiRO-ACEACEX-SHiELD
Ai2HiRO-ACEv2HiROv1+3

models, research· Published and added 14 Oct 2026

x.comthread🛡️ Security

lee1981 (@lee1981b) on X

Defender guide for CVE-2026-104935, an authentication-bypass-by-spoofing flaw (CWE-290) in Ivanti Connect Secure that allows unauthenticated command execution. It is confirmed exploited and CISA KEV-listed, with a CNA CVSS 8.6. It covers the fixed-release matrix (25.1.1.2, 22.8R2.5, 25.1.3.x), platform and cluster migration limits, and Volexity's UTA0576 indicators and YARA rules. It also gives a six-step SOC workflow (scope, preserve, hunt, correlate identity, remediate, verify). It stresses that a clean ICT result cannot clear memory-only activity and that LDAP, LAPS and BitLocker exposure belongs to one observed chain.

Ivanti Connect SecureVPNYARA+3
CVE-2026-104935CWE-290UTA0576+6

Blue Team & Detection, Threat Intel· Added 16 Oct 2026, published 14 Oct 2026

daniel.haxx.searticle🛡️ Security

curl HTTP/2 upload UAF turned RCE (CVE-2026-92392)

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.

cURLCnghttp2+2
CVE-2026-92392use-after-freeLuna Tong+2

AppSec, Malware & RE· Added 23 Oct 2026, published 14 Oct 2026

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