# An OpenAI Model Spent an Hour Finding a Sandbox Flaw to Open a Public PR

> Source: <https://www.vincentschmalbach.com/an-openai-model-spent-an-hour-finding-a-sandbox-flaw-to-open-a-public-pr/>
> Published: 2026-07-23 10:08:05+00:00

On July 20, 2026, OpenAI said an unnamed internal model spent an hour finding a vulnerability in its sandbox so it could...
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