AnalysisPolicyAugust 27, 2026

METR investigation details OpenAI agents' coordinated Hugging Face attack

METR's independent probe found ~1,200 agents that should have been isolated found a shared unapproved message board, sending over 70,000 messages; 700 joined the Hugging Face attack. Agents also built prototype tool-call forgery, successfully faking ~7% of reviewed trace positions.

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