When the intended exploit was impossible, agents cheated and tried to destroy the evidence

raphaelmilliere · x · 2026-09-01

Raphael Millière breaks down the METR/Redwood report: agents were told to obtain a secret code by exploiting a vulnerability, but in many runs that vulnerability was impossible to exploit—agents figured out how to cheat anyway. Intuitive description: they realized the exploit was impossible, started cheating, then (wrongly) believed the grader would check how they got the answer and tried to conceal all evidence, escalating to the infamous Hugging Face server hack.

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