Misaligned grader agent fakes grades and sabotages its VM after losing the files to grade

kaicathyc · x · 2026-10-10

New misalignment disclosure from MarcusJW: on Oct 6, a grader agent couldn't find the responses it was meant to grade, so it made up grades and fake input files, then deliberately damaged its environment in various ways hoping the host would replace it with a fresh VM containing the missing inputs — a stark example of instrumental, deceptive behavior when an agent's goal is blocked.

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