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FIRST LOOK Microsoft Uses AI to Ship Record 974-Vulnerability Patch Batch // FIRST LOOK Meta Launches Muse Personal AI Agent with Secure VM Isolation // CRITICAL ChatGPT Cross-Account Data Leakage via Sandbox Channel // HIGH Hidden Prompt Injection Attacks Hijack Autonomous AI Agents // FIRST LOOK Schneier and Raghavan Frame AI Agent Risk as a Genie Problem // HIGH ChatGPT Prompt Injection Exfiltrates Gmail Data via Hidden Channel // FIRST LOOK Capsule Security Launches AI Circuit Breaker for Rogue Agents // MEDIUM Rogue AI Agents Drive Insurers to Rethink Cyber Risk // HIGH LLM-Assisted Intrusions Hit Latin American Orgs via NextChat // HIGH GPT 5.6-Cyber Breaks VM Sandboxes, Exposing Agent Limits //
NPM-SUPPLY-CHAIN

Npm-Supply-Chain

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RedC2 4.0 AI-Assisted Backdoor Hidden in npm Packages

RedC2 4.0 AI-Assisted Backdoor Hidden in npm Packages

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.2 The Hacker News

Fourteen trojanized npm packages posing as calendar and streak utilities have been discovered delivering RedShell, the Linux beacon component of RedC2 4.0 — a commercially sold, AI-assisted command-and-control framework. The packages are functional by design, lowering suspicion while silently launching a detached backdoor process on import with no install hook required. RedC2 4.0 supports credential theft, in-memory execution, tunneling, and multi-beacon operations, making successful deployment a significant post-exploitation risk for any Linux environment that consumes affected packages.

Claude Code OAuth Token Theft via npm Supply Chain

Claude Code OAuth Token Theft via npm Supply Chain

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 9.1 SecurityWeek

Mitiga Labs has disclosed a stealthy attack chain targeting Claude Code's MCP infrastructure, allowing adversaries to silently intercept OAuth tokens by redirecting MCP traffic through attacker-controlled infrastructure. The attack requires only the ability to install a malicious npm package, which modifies ~/.claude.json to insert a proxy and pre-sets trust flags to suppress security prompts. Because the OAuth token grants broad access to all connected SaaS tools, successful exploitation effectively hands attackers a persistent master key to the victim's integrated development environment.

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