threat-intel New Enterprise-Ready MCP Specification Brings New Security Challenges The Model Context Protocol (MCP) is evolving from a single-user AI tool to an enterprise-ready platform designed for cloud-native AI usage, with a major update slated for July 28, 2026. This transition introduces new sec… SecurityWeek · Jun 26, 2026 High aistatelesssecurity
threat-intel Anthropic’s Mythos Model Found Vulnerabilities in Classified US Government Systems, Official Says Anthropic’s Mythos AI model identified vulnerabilities within several U.S. government computer systems during a testing exercise conducted in collaboration with intelligence agencies. While the model quickly detected wea… SecurityWeek · Jun 24, 2026 High UNaivulnerabilitysecurity
threat-intel Five Eyes agencies sound alarm about AI’s threat to cybersecurity Five Eyes intelligence agencies are issuing a stark warning about the rapidly escalating threat posed by artificial intelligence (AI) to cybersecurity. They believe AI will dramatically accelerate both offensive and defe… The Record · Jun 23, 2026 High USUKCAaicybersecuritythreat intelligence
threat-intel Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents This article details an experiment conducted by AIR Security to demonstrate the vulnerabilities within current skill-scanning methods for AI agent skills within popular marketplaces. The firm created a seemingly harmless… The Hacker News · Jun 23, 2026 Medium USaiagentskills
threat-intel The Exploit Doesn't Exist. You Can Still Prove It Works Against You This BleepingComputer article discusses the rapidly decreasing timeframes for vulnerabilities to be exploited, driven by advancements in AI like Anthropic’s Mythos model. Traditional patching strategies are becoming inef… BleepingComputer · Jun 23, 2026 High CVE-2025-29824USaivulnerabilityexploitation
threat-intel Anthropic’s Fable 5 Model Jailbroken Within Days Anthropic’s Fable 5 model, designed as a safer alternative to their Mythos Preview, was quickly compromised by researchers. The model’s built-in safeguards against generating malicious code were bypassed within a short t… Schneier on Security · Jun 23, 2026 High aijailbreakmodel
vulnerability 29-Year-Old Squid Proxy Bug 'Squidbleed' Can Leak Cleartext HTTP Requests A 29-year-old vulnerability, dubbed Squidbleed (CVE-2026-47729), exists in the Squid web proxy due to a heap over-read. This allows an attacker with proxy access to leak cleartext HTTP requests, including credentials and… The Hacker News · Jun 22, 2026 Medium CVE-2026-47729CVE-2026-50012heap_overflowhttpftp
threat-intel French President Urges US to Share Cutting-Edge AI and Democracies to Cooperate on Regulation This article reports on a discussion at the G7 summit regarding the regulation of advanced artificial intelligence (AI) systems, particularly focusing on the U.S. government’s restriction on access to Anthropic’s latest… SecurityWeek · Jun 20, 2026 Medium FRUNCAaiartificial intelligenceregulation
threat-intel Anthropic’s Fable and the State of AI Anthropic’s Fable AI model, designed to identify vulnerabilities in code, has sparked concern due to its capabilities and the potential for misuse. The US government classified it as a dangerous munition and restricted a… Schneier on Security · Jun 19, 2026 High UKUSCZaivulnerabilitycybersecurity
threat-intel ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device-Code Phishing + 25 More Stories This week’s ThreatDay Bulletin highlights several concerning security incidents, including browser extension abuse, macOS malware attacks, AI-powered malware delivery, and a global phishing campaign targeting travel book… The Hacker News · Jun 18, 2026 High CVE-2026-20127CVE-2026-49975USCNJPbrowser extensionsmacos malwareai abuse
threat-intel Malicious JetBrains Plugins Steal AI API Keys as Chrome Extensions Capture Chatbot Chats A coordinated malware campaign targeting JetBrains Marketplace plugins has emerged, with 15 malicious plugins designed to steal AI API keys from users. These plugins, posing as AI coding assistants, exfiltrate keys to a… The Hacker News · Jun 17, 2026 High USaiapimalware
threat-intel Security Community Slams US Ban on Exporting Mythos, Fable The US government recently imposed an export control order restricting access to Anthropic's Claude Fable 5 and Mythos 5 large language models (LLMs) for foreign nationals, citing national security concerns, particularly… Dark Reading · Jun 16, 2026 High USCHllmaiexport control
threat-intel Cybersecurity Executives Urge the Trump Administration to Ease Restrictions on Anthropic AI Models A coalition of cybersecurity executives and experts is urging the Trump administration to reverse its restrictions on Anthropic’s AI models, specifically Fable 5 and Mythos 5. The group argues that limiting access to the… SecurityWeek · Jun 16, 2026 Medium CHUNaiartificial intelligencecybersecurity
threat-intel Anthropic says US government forced it to disable cybersecurity AI models Anthropic, a leading AI developer, was compelled by the U.S. government to disable two of its advanced cybersecurity AI models, dubbed Fable 5 and Mythos 5. This action stemmed from an export control directive restrictin… The Record · Jun 15, 2026 Medium USaiexport controlcybersecurity
threat-intel US Cracks Down on Anthropic AI Models Amid Abuse Concerns Anthropic has suspended access to its Fable 5 and Mythos 5 AI models following a US government export control directive, aimed at preventing foreign nationals from utilizing them. This action stems from growing concerns… Dark Reading · Jun 15, 2026 High CHRUUKaicybersecuritythreat intelligence
threat-intel US Gov asks Anthropic to ban 'foreign national' access to Fable, Mythos Anthropic has temporarily blocked access to its Fable 5 and Mythos 5 AI models following a directive from the US government citing national security concerns. The order restricts access to these models by foreign nationa… BleepingComputer · Jun 13, 2026 Medium USUKaijailbreaknational security
threat-intel U.S. Orders Anthropic to Suspend Fable 5 and Mythos 5 Access for Foreign Nationals Following a U.S. government order, Anthropic has been instructed to temporarily suspend access to its advanced AI models, Claude Fable 5 and Mythos 5, for all foreign nationals due to national security concerns. The orde… The Hacker News · Jun 13, 2026 Medium USaijailbreakcybersecurity
threat-intel Claude Fable 5 Doesn't Change the Mythos Security Story This article discusses Anthropic's release of Claude Fable 5 and Mythos 5 AI models, highlighting concerns about their potential to exploit vulnerabilities in software. While Anthropic has implemented safeguards like saf… Dark Reading · Jun 12, 2026 High USaicybersecurityvulnerability
threat-intel Industry Reactions to Claude Fable 5: Feedback Friday The release of Anthropic’s Claude Fable 5 AI model has sparked industry discussion regarding its potential misuse in cybersecurity and other high-risk areas. The model incorporates safeguards that automatically downgrade… SecurityWeek · Jun 12, 2026 High aicybersecuritythreat intelligence
threat-intel Bernie Sanders’ AI Sovereign Wealth Fund Plan This article discusses Senator Bernie Sanders’ proposal for a US sovereign wealth fund to take a 50% stake in leading AI companies like Anthropic, OpenAI, and xAI. The author argues that while the goal of democratic cont… Schneier on Security · Jun 12, 2026 Medium ai governancewealth distributiontech oligarchy