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Book Open access Nov 2026

GrayUI: A Visual Context Attack Framework Against VLM-Based Mobile Agents

Recent advances in VLM-based GUI agents accelerate mobile automation but also introduce security risks, as agents rely on broad system privileges and long-horizon contextual continuity. Existing attacks, such as overlay manipulation and inference-gap exploitation, target individual steps but overlook a more fundamental...

Ya-Wen Zeng, D. Tan, Han-Tao Zheng et al. · 0 citations
Preprint Aug 2026

Dual-Stream Semantic Guidance with Prototype Anchor Calibration for Source-Fully-Free Adaptation of Vision-Language Models

Source-Fully-Free Domain Adaptation (SFF-DA) has emerged as a strategic paradigm to adapt Vision-Language Models (VLMs) without any access to source data or task-specific source models. However, we identify a critical Dual Semantic Drift that hinders this process: static drift arising from the rigidity of fixed class e...

Wei-Wei Xiang, Shun Peng, Guangyi Xiao et al. · 0 citations
Conference Open access Sep 2026

DSSG: Dual-Stream Semantic Guidance for Source-Fully-Free Adaptation of Vision-Language Models

Source-Fully-Free Domain Adaptation (SFF-DA) has emerged as a strategic paradigm to adapt Vision-Language Models (VLMs) without any access to source data or task-specific source models. However, we identify a critical "Dual Semantic Drift" that hinders this process: static drift caused by the stagnation of frozen hand-...

Wei-Wei Xiang, Shun Peng, Guangyi Xiao et al. · 0 citations

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