Author

Qicheng Zhao

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#artificial intelligence Preprint Oct 2026

CoRedSkill: Stealthy Skill Composition Attacks via AST-Guided Injection

Agents extend their capabilities through reusable skills that package instructions, executable code, and resources. Composing these skills enables complex task workflows, but their dependencies can also connect malicious operations across skills, making their combined intent difficult to identify through individual-pac...

Qi-Cheng Zhao, Sheng-Fang Zhai, Qing-Ni Shen et al. · 0 citations

Preprint Jul 2026

Seeing the End at Step Zero: Accelerating Diffusion MLLMs via MLP Sparsity-Aware Truncation

Seer is proposed, a training-free framework that detects their valid semantic boundary using a Signal-to-Noise Ratio (SNR)-based criterion and performs one-shot truncation of the redundant suffix for all subsequent computations, offering a highly efficient, plug-and-play solution for DMLLM acceleration.

Qicheng Zhao, Qi Sun, Zheyu Yan · 7 citations