arxivcs.LGcs.AI2026-06-28
Fuzzing Large Language Models to Elicit Hidden Behaviours
Mohammed Abu Baker, Lakshmi Babu-Saheer
Sleeper agents are the canonical model organism of deception: models trained to behave normally but to emit an unsafe behaviour on a specific trigger. Eliciting that behaviour without knowing the trigger has not been studied systematically. We study fuzzing: injecting Gaussian no…