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
Results reveal a systemic vulnerability of frontier VLMs to meta-adaptive jailbreaks to meta-adaptive jailbreaks and motivate defenses against meta-level adversaries.
Ben-Lei Cui, Sheng-Yuan Pang, Yu-Ke Wang et al.· 1 citation
Long-form video understanding requires locating sparse, question-relevant evidence in long, multimodal videos. Real-world video distributions differ in modality-specific information density, content structure, and evidence patterns, causing fixed video-agent designs to incur redundant processing or fail when mismatched...
Ben-Lei Cui, Ruize Wang, Junjie Li et al.· 1 citation
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