activity
20242026
collaborators

16 papers

cs.CR2026

When Claws Remember but Do Not Tell: Stealthy Memory Injection in Persistent Personal Agents

Yechao Zhang, Shiqian Zhao, Jiawen Zhang +5

Persistent personal agents combine long-term memory with access to users' external environments, enabling personalized foreground assistance and proactive background execution. Thi…

cs.CR2026

MaskForge: Structure-Aware Adaptive Attacks for Jailbreaking Diffusion Large Language Models

Yingzi Ma, Zhengyue Zhao, Xiaogeng Liu +3

Diffusion large language models (dLLMs) generate text by iteratively denoising partially masked sequences under bidirectional context, exposing a safety surface distinct from autor…

cs.LG2026

When Are Teacher Tokens Reliable? Position-Weighted On-Policy Self-Distillation for Reasoning

Xiaogeng Liu, Xinyan Wang, Yingzi Ma +2

On-policy self-distillation (OPSD) trains a student on its own rollouts using a privileged teacher, but its standard objective weights all generated tokens equally, implicitly trea…

cs.CR2026

LPG: Balancing Efficiency and Policy Reasoning in Latent Policy Guardrails

Nanxi Li, Zhengyue Zhao, Chaowei Xiao

Guardrails are a critical safety layer for modern AI systems, but their operating regime is changing. As LLMs are deployed as customized assistants, safety policies are increasingl…

cs.LG2026

ROM: Real-time Overthinking Mitigation via Streaming Detection and Intervention

Xinyan Wang, Xiaogeng Liu, Ming Pei +1

Large Reasoning Models (LRMs) often reach a correct solution before their long Chain-of-Thought trace ends, yet continue with redundant verification, repeated attempts, or unnecess…

cs.AI2026

DecodingTrust-Agent Platform (DTap): A Controllable and Interactive Red-Teaming Platform for AI Agents

Zhaorun Chen, Xun Liu, Haibo Tong +14

AI agents are increasingly deployed across diverse domains to automate complex workflows through long-horizon and high-stakes action executions. Due to their high capability and fl…