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26 days ago

Researchers escape OpenAI Codex sandbox to run commands on host

SIGNALSMONITORSECURITY

What's happening

SignalsMonitor is following this as a security story. BleepingComputer is the outlet attached so far. The first report grouped here was at 20 Sept 2026, 12:00 UTC. The headline in use is “Researchers escape OpenAI Codex sandbox to run commands on host”. This note is SignalsMonitor's own briefing, not the publisher's article.

What we know

Researchers escaped OpenAI's Codex sandbox two ways, one running commands on a developer's machine from its most locked-down mode. OpenAI has patched both.

BleepingComputerRead at BleepingComputer

Story timeline

Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.

Reported by 1 outlet

  • BleepingComputer