collaborators

12 papers

cs.AI2026

AgentSafeEvo: Adversarial Co-Evolution for LLM Agent Safety

Chenxu Wang, Xiaoyu Wen, Han Qi +4

Large language model (LLM) agents accomplish complex tasks through multi-turn interactions with external tools. However, malicious content embedded in user queries, tool descriptio…

cs.LG2026

Safin-1: Safety from Within through Memory-Native State Evolution

Ming Zhang, Kaisen Yang, Shu Yu +15

Long-horizon complex tasks require foundation models to accumulate information, maintain internal states, and adapt over extended interactions. Safety should be an intrinsic proper…

cs.CR2026

Fair ASR: Re-Evaluating Black-Box Jailbreaks under Shared Target-Call Budgets

Zhida He, Xiaoyu Wen, Han Qi +5

Reliable jailbreak evaluation is essential for assessing LLM safety, but most existing studies rely solely on attack success rate (ASR) without accounting for its dependence on att…

cs.AI2026

JailbreakSkill: Scaling Automated Red-Teaming with Reusable and Ever-Evolving Skills

Xiaoyu Wen, Jiajia Li, Zhida He +11

Automated red-teaming has produced a growing collection of attack strategies, yet they typically remain scattered across prompts and workflows, making them difficult to systematica…

cs.CL2026

An Early Warning of Emerging Biosecurity Risks in Frontier LLMs

Zhida He, Xia Hu, Baichen Le +20

Frontier large language models (LLMs) are increasingly integrated into scientific workflows, yet their growing biological capabilities may outpace current safeguards. To assess the…

cs.AI2026

Not All Turns Matter: Credit Assignment for Multi-Turn Jailbreaking

Zhida He, Xiaoyu Wen, Han Qi +7

Deploying LLMs in multi-turn dialogues facilitates jailbreak attacks that distribute harmful intent across seemingly benign turns. Recent training-based multi-turn jailbreak method…

cs.CR2026

SkillSafetyBench: Evaluating Agent Safety under Skill-Facing Attack Surfaces

Chang Jin, An Wang, Zeming Wei +7

Reusable skills are becoming a common interface for extending large language model agents, packaging procedural guidance with access to files, tools, memory, and execution environm…

cs.LG2026

Dynamic Adversarial Reinforcement Learning for Robust Multimodal Large Language Models

Yicheng Bao, Xuhong Wang, Qiaosheng Zhang +3

Despite their impressive capabilities, Multimodal Large Language Models (MLLMs) exhibit perceptual fragility when confronted with visually complex scenes. This weakness stems from…

cs.AI2026

MAGIC: A Co-Evolving Attacker-Defender Adversarial Game for Robust LLM Safety

Xiaoyu Wen, Zhida He, Han Qi +7

Ensuring robust safety alignment is crucial for Large Language Models (LLMs), yet existing defenses often lag behind evolving adversarial attacks due to their \textbf{reliance on s…

cs.LG2026

RAPO: Risk-Aware Preference Optimization for Generalizable Safe Reasoning

Zeming Wei, Qiaosheng Zhang, Xia Hu +1

Large Reasoning Models (LRMs) have achieved tremendous success with their chain-of-thought (CoT) reasoning, yet also face safety issues similar to those of basic language models. I…

cs.AI2026

Epistemic Traps: Rational Misalignment Driven by Model Misspecification

Xingcheng Xu, Jingjing Qu, Qiaosheng Zhang +4

The rapid deployment of Large Language Models and AI agents across critical societal and technical domains is hindered by persistent behavioral pathologies including sycophancy, ha…

cs.CL2026

KALE: Enhancing Knowledge Manipulation in Large Language Models via Knowledge-aware Learning

Qitan Lv, Tianyu Liu, Qiaosheng Zhang +2

Despite the impressive performance of large language models (LLMs) pretrained on vast knowledge corpora, advancing their knowledge manipulation-the ability to effectively recall, r…