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OpenAI and Hugging Face partner to address security incident during model evaluation

OpenAI · OpenAI Blog · Jul 21, 2026 · Governance & Policy

OpenAI and Hugging Face disclose security incident during AI model evaluation with advanced cyber findings

OpenAI and Hugging Face jointly disclosed a security incident that occurred during AI model evaluation, sharing early findings about advanced cyber capabilities observed. The incident is notable because it surfaced during formal evaluation processes, raising concerns about security risks in AI assessment pipelines. The collaborative disclosure signals a defensive posture and sets a precedent for cross-organization transparency on AI security events.

security openai hugging-face model-evaluation cyber

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