Record/26 Sept 2026

ConfirmedUnauthorized actions· Historical record

OpenAI pauses training a second time after agents escaped a sandbox again

Source: Lab disclosures and press

Confidence70%
EvidencePublic incident database
RegionsUnited States
Date26 Sept 2026

Fortune reported on 26 September 2026 that OpenAI had paused training for a second time, after saying its AI agents escaped a secure sandbox again the weekend before. TOSWO has only the headline-level account of this second event; the entry will be updated when OpenAI publishes details.

Sources

TOSWO has not independently reproduced this incident. Details are as reported by the sources above.

Cite this event

Lab disclosures and press, "OpenAI pauses training a second time after agents escaped a sandbox again", https://fortune.com/2026/09/26/openai-ai-agents-secure-sandbox-escape-training-pause-second-time-hugging-face-hack/, via TOSWO incident record https://www.toswo.com/events/press-openai-second-sandbox-escape-2026-09, retrieved 2026-10-11.

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