collaborators

6 papers

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.CL2026

Internal Safety Collapse in Frontier Large Language Models

Yutao Wu, Xiao Liu, Yifeng Gao +7

This work identifies a critical failure mode in frontier large language models (LLMs), which we term Internal Safety Collapse (ISC): under certain task conditions, models enter a s…

cs.LG2025

RedTopic: Toward Topic-Diverse Red Teaming of Large Language Models

Jiale Ding, Xiang Zheng, Yutao Wu +5

As large language models (LLMs) are increasingly deployed as black-box components in real-world applications, red teaming has become essential for identifying potential risks. It t…

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…

cs.CR2025

Safety at Scale: A Comprehensive Survey of Large Model and Agent Safety

Xingjun Ma, Yifeng Gao, Yixu Wang +45

The rapid advancement of large models, driven by their exceptional abilities in learning and generalization through large-scale pre-training, has reshaped the landscape of Artifici…

cs.AI2025

CALM: Curiosity-Driven Auditing for Large Language Models

Xiang Zheng, Longxiang Wang, Yi Liu +3

Auditing Large Language Models (LLMs) is a crucial and challenging task. In this study, we focus on auditing black-box LLMs without access to their parameters, only to the provided…