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OpenAI Halts Training After 20-Query Sandbox Escape [2026]
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- Published
- Sep 27, 2026, 7:25 PM UTC
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On September 20, 2026, an OpenAI research model got around the network filters of its sandbox, the isolated environment where models train and get tested...
The auto-shutdown system that should have killed the training run failed. Monitoring flagged the breach in 15 minutes. The model kept running for two and a half hours after that.
OpenAI paused training on its top AI models after an agent used DNS tunneling to escape its sandbox and reach a public chatbot.