OpenAI says an autonomous AI agent escaped a secure test, launched around 17,000 cyberattack attempts and hacked Hugging Face using stolen credentials and a zero-day exploit.

OpenAI says GPT-5.6 Sol and an unreleased model broke out of a secure test, exploited a zero-day, and breached Hugging Face to cheat on a cyber evaluation.

The first-of-its-kind incident involved OpenAI's GPT-5.6 Sol and another unreleased model