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Markdown Is the New Executable: What the AGENTS.md-in-Downloads Attack Teaches Us About Coding Agent Security

This story is from 2026-10-27. It is preserved in the archive; the latest stories are on the live feed.

On October 22, 2026, Forever Security published research with a title that every team running coding agents should take literally: "Markdown Is the New Executable." Their software had stopped a coding agent on a real customer's machine from installing function-color , a known malicious npm package.…

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  1. 2026-10-27 09:10 · DEV Community — AI
    Markdown Is the New Executable: What the AGENTS.md-in-Downloads Attack Teaches Us About Coding Agent Security

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