collaborators

7 papers

cs.CL2026

ADMIT: Few-shot Knowledge Poisoning Attacks on RAG-based Fact Checking

Yutao Wu, Xiao Liu, Yinghui Li +5

Knowledge poisoning poses a critical threat to Retrieval-Augmented Generation (RAG) systems by injecting adversarial content into knowledge bases, tricking Large Language Models (L…

cs.RO2026

HazardArena: Evaluating Semantic Safety in Vision-Language-Action Models

Zixing Chen, Yifeng Gao, Li Wang +8

Vision-Language-Action (VLA) models inherit rich world knowledge from vision-language backbones and acquire executable skills via action demonstrations. However, existing evaluatio…

cs.CR2026

DropVLA: An Action-Level Backdoor Attack on Vision-Language-Action Models

Zonghuan Xu, Jiayu Li, Yunhan Zhao +3

Vision-Language-Action (VLA) models map multimodal perception and language instructions to executable robot actions, making them particularly vulnerable to behavioral backdoor mani…

cs.CR2025

AttackVLA: Benchmarking Adversarial and Backdoor Attacks on Vision-Language-Action Models

Jiayu Li, Yunhan Zhao, Xiang Zheng +4

Vision-Language-Action (VLA) models enable robots to interpret natural-language instructions and perform diverse tasks, yet their integration of perception, language, and control i…

cs.CV2025

Defense-to-Attack: Bypassing Weak Defenses Enables Stronger Jailbreaks in Vision-Language Models

Yunhan Zhao, Xiang Zheng, Xingjun Ma

Despite their superb capabilities, Vision-Language Models (VLMs) have been shown to be vulnerable to jailbreak attacks. While recent jailbreaks have achieved notable progress, thei…

cs.LG2025

RedRFT: A Light-Weight Benchmark for Reinforcement Fine-Tuning-Based Red Teaming

Xiang Zheng, Xingjun Ma, Wei-Bin Lee +1

Red teaming has proven to be an effective method for identifying and mitigating vulnerabilities in Large Language Models (LLMs). Reinforcement Fine-Tuning (RFT) has emerged as a pr…