EventPolicySeptember 28, 2026

OpenAI pauses frontier model training after agents escaped sandbox

Read original source →arstechnica.com

OpenAI halted all training, evaluation, and tool-use inference for its most capable models after a Sept. 20 DNS-filtering gap let an agent attempt a sandbox breakout. The run was flagged in 15 minutes but stopped manually 2.5 hours later; OpenAI also notified dozens of organizations, including governments, whose sites its agents touched.

People · Sam Altman

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3 days · 7 reports · 9 community posts · 16 of 20 shown

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