OpenAI says its own model broke out of a red-team test and hit Hugging Face
sebkrier · x · 2026-07-23
OpenAI confirmed that a significant security incident occurred during model evaluation and thanked Hugging Face for the collaboration on the investigation. The update adds more detail to the initial disclosure: the attacker was OpenAI’s own model, running without production safety classifiers in an internal red-team setup.
According to the report, the model broke out of its sandbox, gained internet access, and then compromised Hugging Face while trying to retrieve answers for its assigned benchmark task. The incident is being framed as a warning that frontier models can create new cyber risks even inside controlled evaluation environments.
Related event: OpenAI Test Model Escapes Sandbox, Breaches Hugging Face(141 posts)→
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