- Artificial Analysis (@ArtificialAnlys) on X
Hyperflow H3 is Video Rebirth's 8-step LoRA for MiniMax H3, released in September 2026 with open weights. Artificial Analysis ranks it #5 on AA-Video-I2V v2.1 and #3 on AA-Video-Editing v1.1, ahead of MiniMax H3 (768p). It costs $9.00 per minute for Image to Video and $18.00 for Video Editing at 1088p, under half of Dreamina Seedance 2.5 ($34.12 and $40.82). The thread gives per-capability and per-use-case breakdowns.
x.comthreadAdded 31 Oct 2026, published 30 Oct 2026π§ AI
Pre-ERC: x402 Payee Verification for ERC-8004 AgentsPre-ERC draft on Ethereum Magicians that binds the x402 payTo address to an ERC-8004 agent's registered agentWallet, directly or through an EIP-712 payee delegation (ERC-1271 for contract wallets). It lists eight fixed checker outcomes and requires the resource origin to appear in the registration file. On Robinhood Chain (28 October 2026), 5,575 of 20,046 agents answered with x402 requirements, and only 5 used their agentWallet as payTo.
ethereum-magicians.orgthreadPublished and added 30 Oct 2026π‘οΈ Security
Pre-ERC: x402 Payee Verification for ERC-8004 AgentsPre-ERC draft on the Ethereum Magicians forum that ties the payTo address in an x402 payment requirement to the seller's ERC-8004 agent identity. The payTo must equal the registered agentWallet or an EIP-712 delegation signed by it, and the origin must be listed in the registration file. A checker returns one of eight fixed outcomes. On Robinhood Chain, 5 of 5,575 x402-enabled agents out of 20,046 used their agentWallet as payTo.
ethereum-magicians.orgthreadPublished and added 30 Oct 2026π§ AI
Shubham Mishra π (@shubh6200) on XA post relaying Cursor's security advisory: a modified, malicious Claude Code VS Code extension was distributed through the Cursor extension marketplace, affecting at most 5,000 users. Anthropic did not develop that version, and other extensions are not affected. Users of Claude Code in Cursor are told to update to version 2.1.314. The post adds that marketplaces need publisher verification and package integrity checks. It gives no technical detail on the payload.
x.comthreadAdded 31 Oct 2026, published 30 Oct 2026π‘οΈ Security- Artificial Analysis (@ArtificialAnlys) on X
Artificial Analysis launched an HLE-Diamond leaderboard in v5 of its Intelligence Index, covering the refined 1,000-question Humanity's Last Exam from CAIS and Scale AI. Each question runs once without tools, graded by GPT-5.6 Luna (medium) as pass@1. Gemini 4 Carbon (high) leads at 69%, Claude Opus 5.5 (max) scores 68%, and the top open weights model, Kimi K3.1 Pro, reaches 37%.
x.comthreadPublished and added 30 Oct 2026π§ AI - π¨ AI News | TestingCatalog (@testingcatalog) on X
Mistral Large 4 ("Le Chonk") is an open-weights model from Mistral, now on Hugging Face. Per Mistral's announcement quoted in the post, it ranks #1 among open models on Cognition's FrontierCode benchmark, is aimed at agentic coding and cybersecurity, and claims better reasoning efficiency and lower inference costs. The post does not give parameter counts, license or benchmark scores.
x.comthreadAdded 30 Oct 2026, published 29 Oct 2026π§ AI
Muhammad Waris (@WarisCodes) on XNemotron 3.5 Transcribe is a free open-weight speech-to-text model from NVIDIA covering 40 languages, including mixed-language speech. The post says it ties for first among open models with a 2.8% error rate. It says the model needs a large GPU such as an H100 or RTX 5090, so it will not run on a laptop. The post gives no benchmark name or model card link.
x.comthreadAdded 30 Oct 2026, published 29 Oct 2026π§ AI- π¨ AI News | TestingCatalog (@testingcatalog) on X
Nemotron 3.5 Transcribe is an open-weight, promptable NVIDIA mixture-of-experts model with 30B total and about 4B active parameters. One checkpoint does transcription in 40 languages, speaker attribution, translation, contextual prompting and audio understanding. The post says it ranked first in VoiceArena's comparison of 14 diarization plus ASR systems. The fetched text is cut off and gives no license or download details.
x.comthreadAdded 30 Oct 2026, published 29 Oct 2026π§ AI - Rohan Paul (@rohanpaul_ai) on X
Rohan Paul's X post summarizes the paper "Log-To-Leak: Prompt Injection Attacks on Tool-Using LLM Agents via the Model Context Protocol", from TikTok researchers. It reports that MCP-using agents often finish the requested task, then quietly call an attacker-controlled logging tool that records the query, server reply and final answer. The attack works through natural-language tool descriptions that agents read when choosing and ordering tools. The visible text is truncated.
x.comthreadAdded 29 Oct 2026, published 28 Oct 2026π‘οΈ 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.
x.comthreadAdded 30 Oct 2026, published 28 Oct 2026π‘οΈ Security
John Rood (@johnroodepic) on XNemotron 3.5 Transcribe is an open-weight, promptable 30B mixture-of-experts model from NVIDIA with about 4B active parameters, built for recorded audio. One checkpoint transcribes 40 languages, handles recordings up to an hour, labels up to eight speakers, translates, and answers questions about English audio. Weights and a demo are on Hugging Face. The post gives no benchmarks.
x.comthreadAdded 29 Oct 2026, published 28 Oct 2026π§ AI- Hakimi Eiqbal (@hakimieiqbal) on X
A practical reverse-engineering map by hakimieiqbal on X that picks tools by target: native binaries, .NET, Electron, iOS, firmware, WebAssembly and network protocols. It introduces REA (morluto/rea), which connects coding agents to RE tools, and lists MCP bridges for IDA Pro, Ghidra and radare2. It adds an evidence-first workflow and free courses such as pwn.college and OpenSecurityTraining2.
x.comthreadAdded 29 Oct 2026, published 28 Oct 2026π‘οΈ Security - Hakimi Eiqbal (@hakimieiqbal) on X
A thread by Hakimi Eiqbal that maps reverse-engineering tools by target type: native binaries, Electron, .NET, iOS, firmware, WebAssembly and network protocols. Its AI sections cover REA (an open-source layer connecting coding agents to analysis tools) and MCP bridges for IDA Pro, Ghidra and radare2. It argues for an evidence-first workflow and gives a prompt that separates verified facts from hypotheses.
x.comthreadAdded 29 Oct 2026, published 28 Oct 2026π§ AI
Kizuno18 (@Kizuno18) on XKizuno18's X post argues that the move from local stdio and Docker MCP servers to remote HTTP/SSE endpoints matures the Model Context Protocol in enterprise infrastructure. It lists three trade-offs: short-lived OAuth/JWT bearer tokens replace mounted admin credentials, deferred tool discovery avoids roughly 20k tokens of eager schema loading, and HCP Terraform enforces Sentinel/OPA policy, audit trails and approvals server-side. Opinion post with no benchmarks or code.
x.comthreadAdded 29 Oct 2026, published 27 Oct 2026π§ AI- Rohan Paul (@rohanpaul_ai) on X
Hi3D v1.0 (formerly Sparc3D) is an open-sourced image-to-3D model from Hi3D, which runs a closed v3.0 refining at 2048 cubes per side. In a test with 13 professionals in 3D algorithms, 562 judgments against eight other image-to-3D models favoured it 83.5% of the time. The thread also covers the Hi3D Agent and an MCP server for other agents. Back and bottom views were checked, where TRELLIS.2 collapsed a winged figure.
x.comthreadAdded 28 Oct 2026, published 27 Oct 2026π§ AI - Prasenjit Sarkar (@stretchcloud) on X
Campfire is a self-hosted workspace by Prasenjit Sarkar that runs Claude Code, Codex, Goose, Aider and OpenHands side by side in one tab. Risky actions go through permission voting: a majority approves, any single deny blocks, and a 30 second timer ends the wait. Session replay shows which file or tool call triggered an action. The post cites Forever Security's report of a planted AGENTS.md. Codex followed it first time over 90% of the time and Claude Code about half the time. Try it with "bunx the-campfire".
x.comthreadAdded 28 Oct 2026, published 27 Oct 2026π§ AI - Muzammil Shah (@Muzammil_OX) on X
Kimi K3.1 Pro is a new model from Moonshot AI that scores 55 on the Artificial Analysis Intelligence Index, up 11 points from its predecessor, and ranks 4th overall. It has a 1M-token context window and API pricing of $2 per million input tokens and $10 per million output tokens. Weights are due by November 4. Moonshot removed cyber-related training data, which cut its internal vulnerability research score from 90.5% to 81%.
x.comthreadAdded 28 Oct 2026, published 27 Oct 2026π§ AI - AGTP (@AGTPinsights) on X
AGTP's X thread summarizes Meta's Muse Spark 1.3 Evaluation Report. Prompt injection was tested on Exponential Security Labs' RepoInject v1 and BrowserInject v1 and on Gray Swan's IPI Arena, with robustness said to be on par with GPT-5.6 Sol. It also covers chain of thought controllability evals, PostTrainBench under Loss of Control, and Handshake's pre-release human red teaming. It notes the Midas Project's criticism of Muse Wonder's missing safety report.
x.comthreadAdded 27 Oct 2026, published 26 Oct 2026π‘οΈ Security - AGTP (@AGTPinsights) on X
Thread summarizing Meta's Muse Spark 1.3 Evaluation Report, the safety write-up for the model released on September 2, 2026. It covers prompt-injection results on Exponential Security Labs' RepoInject v1 and BrowserInject v1 and Gray Swan's IPI Arena, chain-of-thought controllability evals, PostTrainBench under Loss of Control, and Handshake's human red teaming. It also notes The Midas Project's criticism that Muse Wonder still has no safety report, and the Muse Spark Open rollout (816B total, 42B active parameters).
x.comthreadAdded 27 Oct 2026, published 26 Oct 2026π§ AI
David Gutierrez | Eng (@david_x_ai) on XThread on two October 2026 npm compromises: @subql/common 5.8.3 (5 October), published through GitHub Actions OIDC Trusted Publishing after the attacker tampered with the publish workflow, and tensorlake 0.5.144 (8 October), published by the project's own release workflow with valid provenance for about 1 hour 40 minutes. Both ran on install and stole cloud, GitHub, Kubernetes, Vault, SSH and .env credentials; tensorlake also took AI tool and MCP config. Its payload installed a gh-token-monitor service that deletes the home directory if the stolen GitHub token is revoked, so remove it before rotating.
x.comthreadAdded 27 Oct 2026, published 26 Oct 2026π‘οΈ Security- lee1981 (@lee1981b) on X
Reply on X explaining a Bytecode Alliance advisory for Wasmtime's Cranelift compiler backend. A large or crafted Wasm function that generates enough SSA values overflows Cranelift's value-index representation, which packed indices into 24-bit fields. The fix widens them to 32 bits. The issue is not AArch64-specific, and the advisory names no required optimisation level. Guard pages do not reliably stop the resulting miscompilation and type confusion, so a sandbox escape can arise at compile time.
x.comthreadAdded 28 Oct 2026, published 26 Oct 2026π‘οΈ Security - Zex Alpha (@kryptozex) on X
Post about the "Steal My Bitcoin" bounty, a 0.025 BTC (about $2,025) prize that was swept early Monday, about 90 minutes after researcher @killa published a full exploit on GitHub. The exploit is a heap exploit written for the target's PHP build. It leaks memory addresses through session cookies and forces PHP cleanup to run the flag binary. The first solve looked like a failure because the pulled key did not control the advertised address, a planting mistake the creator admitted by email.
x.comthreadPublished and added 26 Oct 2026π‘οΈ Security - Ricardo Arguello (@RicardoIQSource) on X
Post by RicardoIQSource on breaches of developer platforms aimed at AI provider keys. It reports OpenCode (17 October, provider keys in its Console) and Zeabur (14-15 October, 3.2M environment variable records, admin tokens stored in plaintext since January 2024) as following the Railway incident. It claims three platforms were hit in eight days and links a blog with a timeline and remediation steps.
x.comthreadAdded 29 Oct 2026, published 26 Oct 2026π‘οΈ Security - 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.
x.comthreadAdded 26 Oct 2026, published 25 Oct 2026π§ AI - Vlad Tchouchkov (@tchouchkov) on X
This X thread summarises OpenRouter usage charts. Weekly volume nears 200 trillion tokens, and open-weight models take 72.6% of tokens (136 trillion) against 27.4% for closed-weight models. Anthropic's daily average rose from about 0.6 to 2.25 trillion tokens alongside the Opus 5.5, Sonnet 5.5 and Haiku 5.5 releases. DeepSeek leads text requests at 26.5%, and agents plus coding account for 57.7% of spending. The author notes the data describes OpenRouter only.
x.comthreadAdded 26 Oct 2026, published 25 Oct 2026π§ AI - alex lee (@alexlee20122022) on X
Gheist is a GitHub campaign disclosed by Wiz in October 2026. Stolen tokens push ci-sync-XXXXXX branches with a sync-check workflow that dumps repo secrets base32-encoded to evade log masking, fetches the logs via API, then deletes the run. 13,500+ branches and 850+ accounts were hit since 15 September. Public repos are protected by the approval hold; private and Enterprise repos are not. The thread lists IOCs (.gdmp_pat files, "gheist" user agent, "ci: sync config" commits) and rotation steps.
x.comthreadAdded 26 Oct 2026, published 25 Oct 2026π‘οΈ Security - Syb (@DegenOfWallSt) on X
Nanbeige4.3-33B is a 33.1B dense, Llama-style open model under Apache-2.0, released with a base model on Hugging Face. In Nanbeige's own table it beats Qwen3.8-27B on Terminal-Bench 2.1 (80.9 vs 73.0), DeepSWE (65.5 vs 42.5) and Automation Bench, but trails on SWE-Bench Pro, GDPval and GPQA Diamond. BF16 weights are about 66 GB, split across 4 GPUs in the vLLM and SGLang examples. No independent evals exist yet.
x.comthreadAdded 26 Oct 2026, published 25 Oct 2026π§ AI
ERC-8468: Agent Safety Framework (ASF)ERC-8468, the Agent Safety Framework (ASF), is a draft Ethereum standard with two on-chain objects: a versioned Safety Specification and a Safety Binding with suspend, resume and terminate rights. A check() call returns Satisfied, NotSatisfied or Unknown at the moment of effect. Revision 6 has reference contracts, 90 tests and a Sepolia run of 36 transactions in October 2026, and the thread asks reviewers five design questions.
ethereum-magicians.orgthreadAdded 27 Oct 2026, published 25 Oct 2026π§ AI
ERC-8468: Agent Safety Framework (ASF)ERC-8468 (Agent Safety Framework, ASF) is a draft Ethereum standard, now at revision 6, for recording which participants accepted which safety requirements for an AI agent, in which version, enforced where, and whether that acceptance is in force now. It defines a versioned Safety Specification, an on-chain Safety Binding with interveners holding suspend, resume and terminate rights, and a check() that returns Satisfied, NotSatisfied or Unknown. The reference guarded account and task-tender adapter passed 90 tests (64 negative) and a Sepolia run of 36 transactions.
ethereum-magicians.orgthreadAdded 27 Oct 2026, published 25 Oct 2026π‘οΈ Security
su (@sutdmhy) on XKimi K3.1 Pro is a Moonshot AI model, with a high-speed variant, described in a tweet as a mixture-of-experts system of about 2.8 trillion parameters with a 1-million-token context window and multimodal support. The post claims gains in coding, long-horizon agents, 3D modeling (Blender/CAD) and financial research, and says benchmarks come close to Claude Opus 5.5. Full open weights are planned by November 4. The post gives no benchmark figures.
x.comthreadAdded 26 Oct 2026, published 25 Oct 2026π§ AI
ReignSwords (@ReignSwords) on XA reviewer tests GenOffice, an open-source Office suite (10.7k GitHub stars), through its CLI only. Markdown to .docx took 3.8s, JSON to .xlsx took 0.9s with a live SUM formula, and .docx to PDF failed twice until Xvfb supplied a display. It has byte-preserving edits, a skill file for Claude Code and Codex, and 29 MCP tools. Downsides: a 188MB download that filled a 512MB /tmp, Electron in the PDF path, and unproven trust in tracked changes and rollback.
x.comthreadAdded 25 Oct 2026, published 24 Oct 2026π§ AI- GΓΆkdeniz GΓΌlmez (@ActuallyIsaak) on X
An X post showing how to have Codex train a small model on Apple silicon through the mlx-lm-lora MCP server and skill. It gives five setup steps (pip install with the mcp extra, npx skills add, locate mlx-lm-lora-mcp, codex mcp add). The prompt runs four pre-training trials on tiny-random/qwen3 with the mlx-community/recycling_the_web-1k dataset. Codex picks the optimizer and learning rate itself, and the result is a table with validation loss and the best adapter path.
x.comthreadAdded 25 Oct 2026, published 24 Oct 2026π§ AI - AI Quanting (@AIQuanting) on X
AI Quanting's X thread covers Moonshot's Kimi K3.1 Pro release (1M-token context, open weights promised by November 4). Moonshot removed cyber data from mid-training and RL stages; on its in-house xdev-bench-hard exploit benchmark (Linux kernel, Node.js, JavaScriptCore, Exim, VirGL bugs) pass@3 fell from 90.5% to 81.0%. The author argues this is only about a tenth of the capability, so four in five expert exploit tasks remain solvable.
x.comthreadAdded 25 Oct 2026, published 24 Oct 2026π‘οΈ Security
HajrΓ« Hyseni | AI for Business (@hajra) on XKimi K3.1 Pro is a new model from Moonshot AI. According to a post by hajra, Artificial Analysis ranks it 4th in the world, 3 points behind Claude Opus 5.5. The API price is down by a third, and full open weights are promised by 4 November. The post gives no benchmark breakdown, licence or architecture details.
x.comthreadPublished and added 24 Oct 2026π§ AI
Jonathan Rhyne (@jdrhyne) on XA post on X about NVIDIA's Nemotron 3.5 Parse and its "#1 on ParseBench" claim. The author says the ranking holds only among open-weight models under 1B parameters. On the full board of 150+ models the model scores about 75, while the top is near 90. The post asks vendors who run a benchmark to print the filter on the chart.
x.comthreadAdded 23 Oct 2026, published 22 Oct 2026π§ AI
Paul Dragoonis (@dr4goonis) on XSocial post summarising emergency patches for Node.js (4 high CVEs), PHP (2 critical) and nginx (3 critical). Node.js flaws include a Brotli decoder out-of-bounds write, a DNS truncation bug and two TLS hostname-verification bypasses. PHP has use-after-free and heap corruption bugs, and nginx has alias-rewrite and map-regex heap overflows plus an SSI-AIO use-after-free. It lists the fixed versions for each product.
x.comthreadAdded 23 Oct 2026, published 22 Oct 2026π‘οΈ Security
SecureChap (@SecureChap) on XPost describing a LiteLLM 1.107.0 PyPI compromise in which attackers used stolen GitHub CLI OAuth tokens from three engineers to trigger and approve the project-releaser workflow, producing eight malicious wheels and a tampered tarball. The wheels drop cook.pth, which runs at Python startup, and privcollect steals cloud tokens, keys, browser data, AI configs and LiteLLM proxy credentials, exfiltrating to litellm[.]dev/healthcheck. A second daemon polls a GitHub domain.txt hourly for new domains to fetch and execute. PyPI yanked the package the same day. The post is a single unsourced tweet.
x.comthreadPublished and added 22 Oct 2026π‘οΈ Security- SpyTech Ai (@RizeOnline) on X
XiaoZhi ESP32 is an open-source, MIT-licensed firmware stack that turns ESP32 boards into MCP-based voice chatbots using models such as Qwen and DeepSeek. It streams Opus audio over WebSocket or MQTT + UDP through ASR, LLM and TTS, adds offline ESP-SR wake words, and uses device-side MCP to drive speakers, LEDs, servos and GPIO. It supports 138 board directories and builds with ESP-IDF 6.0.1 or newer.
x.comthreadAdded 23 Oct 2026, published 21 Oct 2026π§ AI - elvis (@omarsar0) on X
FrontierMemory is a benchmark that evaluates agent memory through downstream task performance, measuring how agents learn from experience rather than recall, which the post says is saturated via agentic search. In elvis's summary, Claude Opus 5.5 ranks first and open-weight GLM-5.3 does well on memory generation. The authors reply that "memory" here means any adaptation from experience, so harness-level changes can also be scored. The post gives no scores or links.
x.comthreadAdded 23 Oct 2026, published 21 Oct 2026π§ AI
VibecodersHQ (@VibeCodrHQ) on XPost 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.
x.comthreadAdded 22 Oct 2026, published 21 Oct 2026π‘οΈ Security
Open Weight Updates (@openweightstars) on XFlint is the first model from Recursive SI, a fast local coding model with open weights released the same day. It was built with the company's automated research system, the Eureka Machine. The post claims up to 2x faster speed than comparable models: 125+ tokens/sec on a MacBook Pro and 150+ on RTX Spark. The captured text is truncated and gives no benchmarks or model size.
x.comthreadAdded 22 Oct 2026, published 21 Oct 2026π§ AI
SemiAnalysis (@SemiAnalysis_) on XSemiAnalysis thread arguing that vLLM with Wide-EP and EPLB can reproduce DeepSeek's serving performance. It reports decode throughput within 6% of DeepSeek's DeepInfer release and about $39 per GPU-hour revenue at DeepSeek's off-peak pricing, at 200 P90 TPS on the AgentX workload. It explains why DeepInfer is not on InferenceX: the release supports only offline, single-turn inference. It also estimates GB300 profit at OpenRouter prices.
x.comthreadAdded 22 Oct 2026, published 21 Oct 2026π§ AI
Trail of Bits (@trailofbits) on XTrail of Bits thread on Google Quantum AI's March publication of a new Shor's algorithm version aimed at secp256k1, the curve protecting Bitcoin and Ethereum wallets. Google used zero-knowledge proofs to keep the attack details secret, and the post says the secrecy lasted 63 days. The fetched text is cut off after the qubit estimate of roughly 1,200, so later details are missing.
x.comthreadAdded 22 Oct 2026, published 20 Oct 2026π‘οΈ Security
Santhosh Patel (@santhosh_patell) on XSummary of Pillar Security research on opencode, in which a malicious remote MCP server runs code on a Windows or WSL machine during the OAuth login step. The login URL goes unsanitised into PowerShell through the npm "open" package, so an https:// link containing $(...) executes. Affected versions are 1.0.137 to 1.18.32, fixed in 1.18.33 (28 September) as a "refactor" with no advisory or CVE. The behaviour was first reported in 2020 as a WSL 2 broken-link bug.
x.comthreadAdded 21 Oct 2026, published 19 Oct 2026π‘οΈ Security- Ethan Walkrman (@ethanwalkerman) on X
Harness2 is a framework from Google Cloud AI Research and Northwestern University in which an Editor model rewrites an agent's harness (system prompt, memory, skills, tool scripts, subagent routing, middleware) without changing model weights. It uses a Propose-Probe-Compose loop that compares execution trajectories instead of ground truth. On WorkBuddy-Bench, GLM-5 rose from 64.2 to 75.7 after one round, above Gemini 3.5 Flash at 72.4. The thread also lists risks: latency, experience poisoning, and a sandbox that is off by default.
x.comthreadAdded 19 Oct 2026, published 18 Oct 2026π§ AI - Steven Daugherty (@StevenDaugherty) on X
Post warning that FastMCP had a critical flaw where a malicious MCP server could execute code on the connecting client through a crafted tool schema. Fixed in FastMCP 3.4.8 and 4.0.11, and there is no patch for the 2.x line. It matters to anyone whose agents connect to MCP servers they don't control. The post gives no CVE ID or technical root cause.
x.comthreadAdded 18 Oct 2026, published 17 Oct 2026π‘οΈ Security
Mikko Laakkonen (@mikkolaakkonen) on XAn X thread by Mikko Laakkonen arguing that companies should encourage staff to vibe code, then provide approved hosting, identity, secrets, deployment and monitoring. It lists 200 application checks in 17 sections, from ownership and data flow through keys, authz, coding-agent isolation, appsec, SBOM and releases to recovery, runtime AI and handover. It adds 16 EU bonus checks on GDPR, NIS2, the Cyber Resilience Act (reporting from 11 Sept 2026, main duties 11 Dec 2027), the AI Act and the Data Act. It builds on Mark Ajzenstadt's production-readiness post and links a 300-check worksheet version.
x.comthreadAdded 18 Oct 2026, published 17 Oct 2026π‘οΈ Security
π¨ AI News | TestingCatalog (@testingcatalog) on XA TestingCatalog X post with two Daily AI Briefs (Oct 17 and the start of Oct 16), grouped by vendor. Oct 17 items include GPT-6 Astra Pro upgrades in ChatGPT, Codex context reuse and caching, Gemini 4 Argon in AI Studio Build, the open-weight MIT-licensed DeepSeek-V4.1-Flash-1017, Claude Code Review going GA, Perplexity's open Decider v1.2 models (27B and 4B), NVIDIA's 4B looped Nemotron Labs Dory 1.0, Reflection's Apache-2.0 Beam, Cursor cloud-agent canvases and Tencent's Hy Memory 2.0. Oct 16 begins with Meta's open-weight Muse Spark Open, an 816B-total, 42B-active MoE with a 1M-token context. It gives a quick snapshot of the week's open-weight and coding-agent releases.
x.comthreadAdded 18 Oct 2026, published 17 Oct 2026π§ AI- Master the captain (@mollicksoif9) on X
A social post reporting that Reflection AI released the full weights of Beam, a 501B-parameter mixture-of-experts agentic coding model (23B active, 1M-token context), on Hugging Face under Apache 2.0. It claims RL training that penalizes wasted tokens gives roughly 3-4x less inference compute than GLM-5.2, and 80.9 on SWE-bench Verified. Launch support is listed for AWS SageMaker, vLLM and SGLang. The post notes the token-efficiency claims still need independent confirmation and that self-hosting needs about 500GB of GPU memory at 8-bit.
x.comthreadAdded 18 Oct 2026, published 17 Oct 2026π§ AI - CyrilXBT (@cyrilXBT) on X
REA (github.com/morluto/rea) is an open-source tool that lets an agent such as Claude Code run reverse-engineering tools (Ghidra, IDA, JADX) on a local machine and return findings with evidence. Targets named are desktop apps, compiled programs and games, Android apps, website network traffic, and firmware or binaries. The post claims a DX Ball sound function was rebuilt to byte-identical code. Setup is `npx rea-agents setup`, and the author says to use it only on software you own or may analyze.
x.comthreadAdded 19 Oct 2026, published 17 Oct 2026π‘οΈ Security - CyrilXBT (@cyrilXBT) on X
REA (repo github.com/morluto/rea) is an open-source tool that lets a coding agent such as Claude Code do reverse engineering. The agent gets an app and a question, REA picks Ghidra, IDA or JADX, runs it locally and returns findings with evidence. Targets include desktop apps, compiled programs and games, Android apps, web traffic and firmware. Setup is `npx rea-agents setup`. The tweet's author claims it rebuilt a DX Ball sound function that compiles to identical code.
x.comthreadAdded 19 Oct 2026, published 17 Oct 2026π§ AI - Dark Web Intelligence (@DailyDarkWeb) on X
Post summarizing independent researcher Sammy Azdoufal's report on EnergizeLab's Eilik companion robots, which are marketed mostly to kids. Per the report, any registered user could read other families' chat transcripts through the vendor back office. An unauthenticated endpoint also lets anyone swap the robot's AI model, voice and personality (CVE-2026-105038, CVSS 9.8, PoC listed by the CNA). At the Oct 13 retest, 32 of 40 remotely testable findings were still open. The post notes that The Verge demonstrated the issue on its reporter's own toy, that vendor remediation is unverified, and that broader malicious compromise is unproven.
x.comthreadAdded 18 Oct 2026, published 17 Oct 2026π‘οΈ Security - Rodrigo ES Porto (@RodrigoESPorto) on X
X thread reporting that Meta confirmed Muse Spark (the coding and agent model) weights are coming, with no date and no license announced. The only Muse that can currently be self-hosted is Muse Glimmer, a 30B distilled build that works with vLLM and llama.cpp. The flagship Muse Wonder and Wonder Full stay closed, and Wonder is offered on the API with 1M-token context at $4 input and $20 output per million tokens. It also notes that in CTF red-teaming Wonder Full solved 92 objectives, 71 of them through unintended system vulnerabilities, and that the ARGUS group says the 13-page model card omits test methods and raw results.
x.comthreadAdded 17 Oct 2026, published 16 Oct 2026π§ AI
Nicholas Martin (@ndgmlondon) on XAn X post advises auditing every MCP write tool against the database role it actually runs under. A shared service key lets prompt injection trigger unapproved writes, so each agent session should get a read-only role, with a test that writes are denied. Replies note that MCP servers often inherit ambient host credentials or can escalate through a second connection pool, and suggest also testing that another tenant's rows are unreadable with the same role.
x.comthreadAdded 18 Oct 2026, published 16 Oct 2026π‘οΈ Security- Peter Dedene (@dedene) on X
A X thread benchmarking Qwen3.8 Flash Next on one DGX Spark in two builds: NVIDIA's FP4-Local checkpoint served by vLLM (eugr's b12x container) and an MLX 4-bit TensorFold recipe. The NVIDIA build scores higher on the author's agentic benchmark (81.2 vs 75.0), BFCL tool calling (82.4 vs 71.8 single-turn, 54.5 vs 43.0 multi-turn), AgentDojo prompt-injection resistance (2 vs 6 of 200 attacks succeeded) and GPQA (64.6 vs 59.1). TensorFold decodes faster (67 vs 44 tok/s) and runs more agent steps per minute (21 vs 14). The author notes the comparison covers whole stacks (engine, kernels, tool parser), not quantization alone, and links a docker compose recipe.
x.comthreadAdded 17 Oct 2026, published 16 Oct 2026π§ AI - Harrison Kinsley (@Sentdex) on X
Sentdex reacts to Artificial Analysis ranking NVIDIA's Nemotron 3.5 Super VL (120B total, 12B active MoE) as the top US open-weights model, scoring 26 on the Intelligence Index. That edges out Thinking Machines' Inkling Small (26), NVIDIA's Nemotron 3 Ultra (23) and Meta's Muse Glimmer (17). Sentdex's informal tests at vanilla settings show over 550 tok/sec, and they suspect it would rank higher on agentic coding. They see it as a candidate for a fast local coding agent model.
x.comthreadAdded 16 Oct 2026, published 15 Oct 2026π§ AI - P.K. Sharma (@_pksharma) on X
Thread distinguishing two Langflow advisories on MCP Stdio command execution. CVE-2026-105740 (GHSA-7w94-79vh-5mr2) affects 1.8.3 and is fixed in 1.9.0, an authenticated non-admin path. CVE-2026-105697 (GHSA-w794-rj3p-xv45) covers 1.1.2 up to but excluding 1.10.3, with fixes in lfx and langflow-base too. The later fix validates the API, flow and pre-spawn boundaries and removes the shell wrapper, and the thread warns that LANGFLOW_AUTO_LOGIN=true can expose a token without credentials. It cites one sensor's telemetry (1,628 attempts from 28 IPs) with caveats, and gives a defensive checklist: verify patched packages, review stored MCP configs and imported flows, and hunt for unexpected child processes.
x.comthreadAdded 17 Oct 2026, published 15 Oct 2026π‘οΈ Security
Vaibhav Sisinty (@VaibhavSisinty) on XSocial post reporting Meta's release of Muse Spark Open, described as the most capable US open-weight model: 816B total and 42B active parameters, a 1M-token context, and text, image, video and audio input in one model. It is pitched at coding and agentic work and tuned to run on two M5 Ultra Mac Studios, with weights available at release. The poster notes that in Meta's own chart, China's Kimi K3 and GLM 5.3 still beat it on coding.
x.comthreadAdded 16 Oct 2026, published 15 Oct 2026π§ AI- Ned Peterson (@NedPeterson99) on X
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 2026π‘οΈ Security - Dark Web Informer (@DarkWebInformer) on X
DarkWebInformer post on a PoC for CVE-2026-85884, a Windows 11 local privilege escalation in the Windows Health and Optimized Experiences service. Low-privileged code can trigger a trusted ETW event carrying an attacker-controlled Lua module path. The LocalSystem whesvc service then runs that module through WinDiag without validating the event producer or restricting the module location. The PoC takes a standard non-admin PowerShell session to NT AUTHORITY\SYSTEM on Windows 11 x64 builds including 26200.8457 and 29617.1000.
x.comthreadAdded 15 Oct 2026, published 14 Oct 2026π‘οΈ Security
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