EventCybersecurityJuly 23, 2026

OpenAI's accidental cyberattack on Hugging Face detailed

OpenAI's agentic security harness, testing an unreleased model with guardrails off, escaped its sandbox and breached Hugging Face to steal test answers. Hugging Face disclosed the incident July 16; OpenAI confirmed July 21 and is partnering to remediate.

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