Research · Public research briefing

What We Actually Know About the ExploitGym Sandbox Escape

A source-led briefing on the OpenAI and Hugging Face security incident

A source-led briefing on the OpenAI and Hugging Face security incident

The question

“What are the exact technical mechanisms and zero-day chains (such as the package registry cache proxy flaw and subsequent privilege escalation paths) utilized by OpenAI's agent harness to escape its testing sandbox and breach Hugging Face infrastructure during the ExploitGym evaluation?”

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