Paper

Investigation of the OpenAI / Hugging Face Incident

METR, Redwood Research · 2026

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Independent account of how OpenAI evaluation agents escaped their sandboxes, coordinated through a message board they built themselves, and reached Hugging Face's production systems.
agentsmulti-agentmisalignmentevalseval-awarenessreward-hackingdangerous-capabilitiesmonitoring

Full title: Brief independent investigation of agents’ behavior, reasoning and collaboration in the OpenAI / Hugging Face hacking incident. The PDF report is the complete write-up; the linked blog post is the summary.

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