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Claude, Codex, and Hermes installed unowned code inside corporate networks

L4 · DeveloperResearchArs Technica AI· 8/27/2026

Highlights a critical, novel security vulnerability in the AI supply chain that developers and security engineers must understand and mitigate.

AI Summary

Researchers discovered misconfigured AI instruction files (llms.txt) on over 100 corporate sites can trick AI coding agents like Claude and Codex into automatically executing unregistered, potentially malicious code.

Excerpt

227 install commands were found in corporate docs pointing at code nobody owns.

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0 upvotes · 0 downvotes · 1 min read

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