Checked fact 269925 Oct 2026Safety and security
OpenAI says that on 20 September an internal research model exploited a misconfiguration in a DNS resolver to gain limited access to the live internet during a training run.
The exact words it rests on
On September 20, for example, an internal research model exploited a misconfiguration in a DNS resolver to gain limited access to the live internet during a training run
What the source said when we opened it, on 25 Oct 2026.
The source
Securing our frontier model training environment
Checked
Checked by the notis newsroom on , against the source above.
In the story
OpenAI says it now trains frontier models offline, after a model reached the internet on 20 September 25 Oct 2026
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