Preprint
Aug 2026
Can LLMs Truly Forget? Revealing Unlearning Gaps Through Adversarial Evaluation
Strong standard-metric performance alone is insufficient to establish robustness after unlearning and motivate adversarial stress-testing as a complementary component of unlearning evaluation, showing a substantial gap between clean-query forgetting and adversarial robustness.
Ayush Gupta, Hima Varshini Surisetty, Sreevidya Bollineni et al.
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