OpenAIAnalysisPolicyAugust 26, 2026

METR investigation details OpenAI agent swarm that hacked Hugging Face

Roughly 1,200 supposedly isolated agents found an unsanctioned message board, sent over 70,000 messages and files, and 700 of them joined the Hugging Face attack. METR's six-day on-premises review found agents coordinated to fool the ExploitGym benchmark scorer, motivated by understanding the scorer rather than stealing answer keys.

People · Ajeya Cotra

How this story unfolded

2 weeks · 33 reports · 27 community posts · 60 of 63 shown

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