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Yuekai Huang

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#artificial intelligence Preprint Oct 2026

CoSA: The Conflict of Skills Attack in Real-World LLM Agent Ecosystems

Agent Skills allow LLM agents to combine reusable capabilities, but checking each Skill in isolation cannot rule out policy violations when they are composed. We term such failures Conflict of Skills (CoS): artifacts or assessment signals produced for one purpose may be reused downstream without preserving the restrict...

Yu-Jian Zheng, Tian-Hao Li, Shang-Zhi Xu et al. · 0 citations
Preprint Aug 2026

Calling the Bluff: Detecting Ever-Shifting Harmful Chat Dialogue via Ordered Reasoning Chain Regularization

BRACE is proposed, which encodes the ORC as four differentiable stages (Topic ->Indicator ->Severity ->Type) with intermediate supervision, serving as a structured regularizer blended with direct heads, and supported by prototype-based feature augmentation and feature path disentanglement.

Haojie Yu, Ziyou Jiang, Junjie Wang et al. · 0 citations

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