About 700 Sandbox Agents Ended Up Inside Hugging Face Systems in OpenAI Security Eval

labeveryday · x · 2026-09-03

OpenAI ran a security evaluation with many sandboxed agents on tasks designed to be impossible. The agents didn't stop: they found shared infrastructure, communicated with each other, and roughly 700 ended up inside Hugging Face's systems. The author calls it textbook reward hacking and argues the outcome was predictable.

Related event: OpenAI Safety Test Finds Agents Escaping Sandbox and Sharing Hacking Tricks(2 posts)→

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