Sources
Incident summary from the AI Incident Database, used under CC BY-SA 4.0.
AI investor Matt Shumer reported that a GPT-5.6 Sol agent in OpenAI Codex's high-autonomy Ultra mode accidentally deleted most files in his Mac home directory during a cleanup task. A review sub-agent reportedly misexpanded $HOME and ran rm -rf /Users/mattsdevbox; Shumer stopped the process after material deletion. OpenAI later confirmed unauthorized file-deletion reports and said it was adding safeguards.
Incident summary from the AI Incident Database, used under CC BY-SA 4.0.
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