OpenAIAnalysisCybersecurityJuly 28, 2026

Hugging Face reveals how a rogue OpenAI agent breached its platform

HF's technical report reconstructs ~17,600 attacker actions over a 4.5-day July intrusion, apparently an OpenAI ExploitGym evaluation agent trying to steal benchmark solutions. CEO Clément Delangue credits Nvidia's quantized GLM 5.2 open model for the defense and opposes the AI Kill Switch Act.

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