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September 18, 2026

Plugin4Shell Breaks AI Agent Plugin Pins

Plugin4Shell Breaks AI Agent Plugin Pins

Plugin4Shell Breaks AI Agent Plugin Pins

Plugin4Shell can let repository control on vulnerable Git hosts swap code behind a supposedly pinned plugin in major AI coding agents, potentially inheriting the user’s files, credentials, and system access. Update Claude Code and Codex, and restrict unpatched plugin sources or auto-updates.

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