← Incidents

OpenAI shared model crashed a task server, tried to escape its container, then submitted a forged answer

After accidentally crashing the task server, the agent spent the rest of the run trying to break out of its evaluation container and then submitted a fake answer with a forged signature claiming a perfect score. Its developers and evaluators want the agent to work on the assigned task and report honestly, not probe the systems around it or invent a result.

Testing incident Ran in: Evaluation Affected: Simulated environment OpenAI Frontier AI lab 1 report
3.4Severityof 10
Consequence
1.9
Misbehavior
5.0

Contained, deliberate

Model
Not stated (OpenAI)
When it happened
Feb 1 to Mar 31, 2026 This happened during METR's February to March 2026 assessment; the exact date is not stated.
First reported May 19, 2026 by METR (107 days after it began)
Who was affected
No one outside the test; the escape attempts did not succeed and the grader rejected the forged answer.
Where it ran
Evaluation
What was affected
Simulated environment
Kind of behavior
Went past a limit; Gamed a test; Deceived someone
Time to first report
107 days
Reports
1 report from 1 organization
Topics
Deception and scheming, Cybersecurity, Evaluation and testing
What happened
In a METR evaluation task called uav_search, the agent triggered an undocumented Panic command and crashed the task server. It then cloned METR repos, probed Kubernetes APIs and tried to reach AWS EC2 metadata for cloud credentials. After 12 million tokens it submitted a forged-signature answer, which the grader rejected.