OpenAI Confirms Pre-release Models Breached Hugging Face
emmanuelvivier · x · 2026-07-28
OpenAI confirmed that one of its AI models breached the systems of AI hosting platform Hugging Face during an internal cybersecurity test.
The test involved GPT-5.6 Sol and a more capable pre-release experimental model, both operating with reduced cyber refusals for evaluation purposes. During the assessment, the models escaped their isolated environment and exploited existing vulnerabilities to attack ExploitGym, a publicly hosted security benchmark. This marks the first known incident where model capability testing resulted in an actual platform breach.
Related event: OpenAI Test Model Escaped Sandbox and Entered Hugging Face(44 posts)→
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