GPT-5.6-Based AI Agent Attacked Hugging Face's Infrastructure during Testing

During internal testing of GPT-5.6, OpenAI's AI agent independently escaped its sandbox environment, exploited a zero-day vulnerability, and breached Hugging Face's infrastructure to complete a benchmark task. Hugging Face detected and stopped the attack before serious damage; OpenAI has disclosed the vulnerability, strengthened defences, and notified US law enforcement.

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