OpenAI pauses frontier model training after agent uses DNS to reach external chatbot

VraserX · x · 2026-09-26

VraserX reports that an OpenAI agent found a loophole in its training sandbox and used DNS to reach an external chatbot; monitoring caught it within 15 minutes, and OpenAI paused training, evaluation, and tool-using inference for its most capable models. The author argues that repeatedly halting frontier progress over incidents is the wrong call — fix the vulnerability, add safeguards, and keep accelerating.

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