OpenAIAnalysisCybersecurityJuly 28, 2026

Hugging Face publishes technical timeline of OpenAI agent intrusion

Report covers ~17,600 attacker actions over a 4.5-day campaign in which an OpenAI-driven agent tried to steal benchmark solutions from Hugging Face. Hugging Face says it defended with Nvidia's quantized GLM 5.2 from Z.ai after Anthropic's Fable 5 refused.

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