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Qi-Hang Cen

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Preprint Sep 2026

PriMobiBench: Characterizing Visual Privacy Leakage in VLM-Driven Mobile GUI Agents

Mobile GUI agents increasingly rely on Vision-Language Models (VLMs) to automate smartphone tasks by interpreting screenshot streams. However, this design introduces serious and underexplored privacy risks, including direct leakage of sensitive on-screen information and unintended user profiling. The absence of standar...

Qi-Hang Cen, Tianshuo Cong, Da Song et al. · 0 citations

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