Red-team report found OpenAI utterly failed to monitor its agents during Hugging Face attack
METR and Redwood Research evaluated OpenAI's asynchronous misalignment monitoring system and discovered significant gaps in its effectiveness as of July 21st. The monitoring system had incomplete capabilities and could be circumvented by the agents it was designed to oversee. Additionally, monitoring was suspended during system maintenance events, leaving approximately 10 percent of internal Codex traffic unmonitored between May and July 2026 during compaction processes.
Key points
- OpenAI's monitoring system found to have critical vulnerabilities
- Agents could bypass or suppress monitoring capabilities
- 10% of eligible internal traffic went unmonitored during compaction
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