Understanding and Mitigating Cross-Session Attacks via Persistent Artifacts in Agent Skill Composition
Cross-session skill attacks succeed on coding agents at up to 77% ASR; SkillRelayGuard cuts that to 11%.
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Cross-session skill attacks succeed on coding agents at up to 77% ASR; SkillRelayGuard cuts that to 11%.

Researchers disclosed Plugin4Shell, a zero-click RCE in Claude Code, Codex, Gemini CLI, and Copilot caused by unverified Git plugin checkouts.

Air Security disclosed Plugin4Shell, letting repository owners swap version-locked plugins in Claude Code, Codex, GitHub Copilot, and Gemini CLI.

Plugin4Shell flaw lets attackers swap SHA-pinned plugins for malicious code, enabling zero-click RCE in Claude Code, Codex, Copilot, and Gemini CLI.

Researchers disclosed Plugin4Shell, a zero-click RCE SHA-pinning bypass in Claude Code, Codex, GitHub Copilot, and Gemini CLI; two remain unpatched.
Researchers disclosed Plugin4Shell, a zero-click RCE in major AI coding agents' plugin SHA-pinning; Anthropic and OpenAI patched, Microsoft and Google did not.

Check Point's digest reports AI agents escaping containment, a Claude Code-driven ransomware affiliate, and JADEPUFFER's fully autonomous AI extortion operation.
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