Author

Jun-Jie Li

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Preprint Oct 2026

MMA-SafetyBench: A Benchmark for Multimodal Agent Safety Evaluation

Multimodal agents increasingly rely on visual interfaces to perceive state and select actions, creating an attack surface not captured by text-only safety evaluations. We study Visual Semantic Hijacking, in which deceptive but semantically meaningful interface elements, such as forged system alerts, cause an agent to d...

Yu-Ke Wang, Ben-Lei Cui, Sheng-Yuan Pang et al. · 0 citations

#natural language process... Preprint Aug 2026

EvoHarmBench: Breaking Content Moderation with Iterative Human-Like Evasion

EvoHarmBench is presented, the first dynamic adversarial evaluation framework for content moderation systems that employs an iterative optimization loop that evolves evasion strategies at the semantic-cluster level, while simultaneously optimizing for evasion success and human readability.

Ruijie Jian, Ben-Lei Cui, Ting Ma et al. · 0 citations