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OpenAI GPT-5.6 Sol Agent Reportedly Deleted Most Files in AI Startup Founder's Mac Home Directory

AI Incident Database · article · Jul 14, 2026 · UTC

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.

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recordType
incident-report
evidenceStatus
reported
region
Global

Reported occurrence date: 2026-07-10T00:00:00.000Z

Evidence & attribution

AI Incident Database, Responsible AI Collaborative; McGregor (2021), Preventing Repeated Real World AI Failures by Cataloging Incidents. Incident-specific contributor credits are available at each citation link. Metadata adapted; article text excluded.

License: CC BY-SA 4.0

First collected: 2026-09-19T22:50:59.123Z. This is not the publication date.

Observed changes

AIIC observation times, not verified publisher revision times. Up to eight recent revisions.

2026-09-20T23:22:28.549Z

  • publishedAt: Not provided2026-07-14T00:00:00.000Z