collaborators

5 papers

cs.CV2026

Structure-Guided Visual Perturbation Neutralization for LVLMs

Yuanhe Zhang, Xueting Wang, YanBin Ren +6

Image inputs enable Large Vision Language Models (LVLMs) to perceive fine-grained visual information, but also introduce a pixel-level attack surface through which adversarial pert…

cs.CR2026

BadDLM: Backdooring Diffusion Language Models with Diverse Targets

Shengfang Zhai, Xiaoyang Ji, Yuling Shi +6

Diffusion language models (DLMs) have recently emerged as an alternative modeling paradigm to autoregressive (AR) language models, enabling parallel generation and bidirectional co…

cs.CL2026

From Helpfulness to Toxic Proactivity: Diagnosing Behavioral Misalignment in LLM Agents

Xinyue Wang, Yuanhe Zhang, Zhengshuo Gong +6

The enhanced capabilities of LLM-based agents come with an emergency for model planning and tool-use abilities. Attributing to helpful-harmless trade-off from LLM alignment, agents…

cs.CR2025

Resource Consumption Red-Teaming for Large Vision-Language Models

Haoran Gao, Yuanhe Zhang, Zhenhong Zhou +7

Resource Consumption Attacks (RCAs) have emerged as a significant threat to the deployment of Large Language Models (LLMs). With the integration of vision modalities, additional at…

cs.CR2025

: A Pluggable and Dynamic DoS-Defense Framework Against Resource Consumption Attacks Targeting Large Language Models

Yuanhe Zhang, Xinyue Wang, Haoran Gao +4

Large Language Models (LLMs), due to substantial computational requirements, are vulnerable to resource consumption attacks, which can severely degrade server performance or even c…