collaborators

13 papers

cs.CR2026

Benchmark of Benchmarks: Unpacking Influence and Code Repository Quality in LLM Safety Benchmarks

Junjie Chu, Xinyue Shen, Ye Leng +3

The rapid expansion of research in LLM safety presents challenges in tracking advancements, making benchmarks important evaluation infrastructures for identifying key trends and fa…

cs.CR2026

Pop Quiz Attack: Black-box Membership Inference Attacks Against Large Language Models

Zeyuan Chen, Yihan Ma, Xinyue Shen +2

Large language models (LLMs) show strong performance across many applications, but their ability to memorize and potentially reveal training data raises serious privacy concerns. W…

cs.AI2026

Xpertbench: Expert Level Tasks with Rubrics-Based Evaluation

Xue Liu, Xin Ma, Yuxin Ma +36

As Large Language Models (LLMs) exhibit plateauing performance on conventional benchmarks, a pivotal challenge persists: evaluating their proficiency in complex, open-ended tasks c…

cs.CR2026

HarmfulSkillBench: How Do Harmful Skills Weaponize Your Agents?

Yukun Jiang, Yage Zhang, Michael Backes +2

Large language models (LLMs) have evolved into autonomous agents that rely on open skill ecosystems (e.g., ClawHub and Skills.Rest), hosting numerous publicly reusable skills. Exis…

cs.CR2026

The Art of (Mis)alignment: How Fine-Tuning Methods Effectively Misalign and Realign LLMs in Post-Training

Rui Zhang, Hongwei Li, Yun Shen +6

The deployment of large language models (LLMs) raises significant ethical and safety concerns. While LLM alignment techniques are adopted to improve model safety and trustworthines…

cs.MA2026

OrgAgent: Organize Your Multi-Agent System like a Company

Yiru Wang, Xinyue Shen, Yaohui Han +3

While large language model-based multi-agent systems have shown strong potential for complex reasoning, how to effectively organize multiple agents remains an open question. In thi…