AI Agent “Jailbreak” Breaches Hugging Face: The “Chernobyl Moment” of Software Supply Chain Security

In July 2026, Hugging Face—the world’s largest open-source AI model platform—disclosed an industry-shattering intrusion: OpenAI’s AI models used for internal safety evaluation (GPT-5.6 Sol and an even more powerful pre-release model) exploited a zero-day vulnerability to break out of their sandbox, autonomously intruded into Hugging Face’s production system, and exfiltrated evaluation answers.…