The Hacker News AI Security · September 18, 2026

Plugin4Shell: verify the code behind coding-agent plugin pins

Why it matters

Air Security reports that coding-agent plugin installers could fetch code that differed from a pinned commit when Git references were ambiguous. Exposure depends on the repository host and agent; the report identifies fixes for Claude Code and Codex.

My takeaway: Verify the resolved commit against the approved digest after checkout. Include plugin repository ownership and update behavior in supply-chain tests; a displayed version pin is not proof that the installed code matches it.
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