collaborators

6 papers

cs.CL2026

from Benign import Toxic: Jailbreaking the Language Model via Adversarial Metaphors

Yu Yan, Sheng Sun, Zenghao Duan +5

Current studies have exposed the risk of Large Language Models (LLMs) generating harmful content by jailbreak attacks. However, they overlook that the direct generation of harmful…

cs.CR2026

Red-teaming the Multimodal Reasoning: Jailbreaking Vision-Language Models via Cross-modal Entanglement Attacks

Yu Yan, Sheng Sun, Shengjia Cheng +3

Vision-Language Models (VLMs) with multimodal reasoning capabilities are high-value attack targets, given their potential for handling complex multimodal harmful tasks. Mainstream…

cs.CL2026

SearchAttack: Red-Teaming LLMs against Knowledge-to-Action Threats under Online Web Search

Yu Yan, Sheng Sun, Mingfeng Li +6

Recently, people have suffered from LLM hallucination and have become increasingly aware of the reliability gap of LLMs in open and knowledge-intensive tasks. As a result, they hav…

cs.LG2026

Jailbreak-as-a-Service++: Unveiling Distributed AI-Driven Malicious Information Campaigns Powered by LLM Crowdsourcing

Yu Yan, Sheng Sun, Mingfeng Li +6

To prevent the misuse of Large Language Models (LLMs) for malicious purposes, numerous efforts have been made to develop the safety alignment mechanisms of LLMs. However, as multip…

cs.CL2025

Collaborative Stance Detection via Small-Large Language Model Consistency Verification

Yu Yan, Sheng Sun, Zixiang Tang +2

Stance detection on social media aims to identify attitudes expressed in tweets towards specific targets. Current studies prioritize Large Language Models (LLMs) over Small Languag…

cs.CL2025

Na'vi or Knave: Jailbreaking Language Models via Metaphorical Avatars

Yu Yan, Sheng Sun, Junqi Tong +2

Metaphor serves as an implicit approach to convey information, while enabling the generalized comprehension of complex subjects. However, metaphor can potentially be exploited to b…