الباحثون

Simeng Qin

المنشورات 2

نسخة أولية وصول مفتوح

PyCache Trap: The Inspection-Execution Gap in Agent Skill Scanners

Jie Liao, Simeng Qin, Wenqi Ren وآخرون · 2026

Agent skills combine instructions with executable resources, giving third-party packages access to an agent's runtime. Existing skill scanners inspect documentation and visible source, but Python may execute a bundled bytecode cache with different behavior. We study this gap between inspection and execution through PyC …

نسخة أولية وصول مفتوح

Visual-Invariance-Augmented Feature Optimal Alignment for Transferable Adversarial Attacks against Closed-Source MLLMs

Xiaojun Jia, Simeng Qin, Yiming Li وآخرون · 2026

Multimodal large language models (MLLMs) remain vulnerable to transferable adversarial examples, especially in black-box settings where only open-source surrogate models are accessible. Existing targeted transfer attacks mainly align adversarial and target samples using global image-level features, such as encoder [CLS …

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