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active
Plugin4Shell: Pinned Plugin Bypass Affects Four AI Coding Agents
- Engineer — Act: A pinned-version bypass in AI coding agents enables malicious plugin substitution via a controlled upstream repo — a direct supply-chain risk in CI/CD pipelines. Update Claude Code to ≥2.1.179 and OpenAI Codex to ≥0.146.0 immediately; audit all plugin sources across affected agents and restrict GitHub Copilot plugin use until a patch is confirmed.
- SOC/IR — Plan: No published IOCs or active exploitation reported, but this introduces a new class of AI coding agent supply-chain abuse worth covering. Build detections on anomalous plugin installation behavior and source-repository mismatches in CI/CD pipeline logs, prioritizing environments running unpatched Copilot.
- Leader — Plan: AI coding agents are broadly deployed in engineering orgs and this vulnerability lets a compromised upstream plugin repo silently inject malicious code even with pinned versions. Task the security team to inventory which AI coding agents are in use and confirm patch status — GitHub Copilot appears to lack a fix, warranting a risk assessment before the next sprint cycle.
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