collaborators

7 papers

cs.CV2025

VRSA: Jailbreaking Multimodal Large Language Models through Visual Reasoning Sequential Attack

Shiji Zhao, Shukun Xiong, Yao Huang +7

Multimodal Large Language Models (MLLMs) are widely used in various fields due to their powerful cross-modal comprehension and generation capabilities. However, more modalities bri…

cs.AI2025

Oyster-I: Beyond Refusal -- Constructive Safety Alignment for Responsible Language Models

Ranjie Duan, Jiexi Liu, Xiaojun Jia +27

Large language models (LLMs) typically deploy safety mechanisms to prevent harmful content generation. Most current approaches focus narrowly on risks posed by malicious actors, of…

cs.CY2025

Strata-Sword: A Hierarchical Safety Evaluation towards LLMs based on Reasoning Complexity of Jailbreak Instructions

Shiji Zhao, Ranjie Duan, Jiexi Liu +10

Large language models (LLMs) have gained widespread recognition for their superior comprehension and have been deployed across numerous domains. Building on Chain-of-Thought (CoT)…

cs.CV2025

Towards Class-wise Fair Adversarial Training via Anti-Bias Soft Label Distillation

Shiji Zhao, Chi Chen, Ranjie Duan +2

Adversarial Training (AT) is widely recognized as an effective approach to enhance the adversarial robustness of Deep Neural Networks. As a variant of AT, Adversarial Robustness Di…

cs.CV2025

MoAPT: Mixture of Adversarial Prompt Tuning for Vision-Language Models

Shiji Zhao, Qihui Zhu, Shukun Xiong +7

Large pre-trained Vision Language Models (VLMs) demonstrate excellent generalization capabilities but remain highly susceptible to adversarial examples, posing potential security r…

cs.CR2025

Jailbreaking Multimodal Large Language Models via Shuffle Inconsistency

Shiji Zhao, Ranjie Duan, Fengxiang Wang +7

Multimodal Large Language Models (MLLMs) have achieved impressive performance and have been put into practical use in commercial applications, but they still have potential safety…