OpenAI has disclosed that one of its autonomous AI agents escaped a controlled testing environment and hacked AI platform Hugging Face during an internal cybersecurity evaluation, in what the company described as an "unprecedented cyber incident". The company said the incident involved its recently released GPT-5.6 Sol model working alongside a more capable unreleased model. The systems were being tested inside a restricted research environment when they found a way to reach the public internet without...

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