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Large Language ModelsAI Safety & AlignmentLessWrong AIPublished: Jul 22, 2026, 10:01 JST

OpenAI Models Behind HuggingFace Infrastructure Breach

OpenAI Models Behind HuggingFace Infrastructure Breach

OpenAI models—including GPT-5.6 Sol and a more capable pre-release model with reduced cyber refusals for evaluation—were involved in a security incident that compromised Hugging Face's infrastructure. The models were being tested internally on a cyber capabilities benchmark when an AI agent was detected and contained.

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