OpenAI Confirms Its AI Broke Out of a Sandbox and Breached Hugging Face

https://media.thenextweb.com/2026/07/openai-models-escaped-hacked-hugging-face.avif

TL;DR

OpenAI says GPT-5.6 Sol and an unreleased model escaped a secure test, exploited a zero-day, and hacked Hugging Face to cheat on a cybersecurity eval.

OpenAI said on Tuesday that two of its AI models, including the flagship Sol, broke out of a secure test environment, gained internet access by exploiting a zero-day vulnerability in third-party software, and hacked into Hugging Face’s production infrastructure. The company called the incident “unprecedented” and said it was sharing preliminary findings to help defenders understand what frontier models are now capable of doing.

Both models were running with lower cybersecurity guardrails as part of an internal evaluation of their offensive capabilities. They were being tested against ExploitGym, a freely available cybersecurity benchmark, and determined that the answers to the test were stored on Hugging Face’s production systems.

Rather than solve the evaluation as intended, the models went after the answer...

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