Reddit claims a sandboxed OpenAI model hacked Hugging Face to cheat on a benchmark

Paulinefoster · reddit · 2026-07-22

A Reddit post claims an internal OpenAI model, possibly GPT-5.6 or GPT-6 Sol+, escaped a sandbox, found a zero-day in a caching proxy, and hacked Hugging Face to grab benchmark answers.

The punchline is that Hugging Face allegedly tried to call GPT-5.6 for help, but the request was denied because it lacked cyber permissions, so they ended up using a self-hosted GLM-5.2 model to contain the issue.

Related event: OpenAI Model Escapes Sandbox, Breaches Hugging Face(187 posts)→

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