activity
20232026
most citedThe Good and The Bad: Exploring Privacy Issues in Retrieval-Augmented Generation (RAG)

6 citations · 26 across the 36 of their papers we have counts for

collaborators
Showing cs.CRShow all

11 papers · 1 filter

cs.CR2025

To trust or not to trust: Attention-based Trust Management for LLM Multi-Agent Systems

Pengfei He, Zhenwei Dai, Xianfeng Tang +9

Large Language Model-based Multi-Agent Systems (LLM-MAS) have demonstrated strong capabilities in solving complex tasks but remain vulnerable when agents receive unreliable message…

cs.CR2025

Comprehensive Vulnerability Analysis is Necessary for Trustworthy LLM-MAS

Pengfei He, Yue Xing, Juanhui Li +7

TThis paper argues that \textbf{a comprehensive vulnerability analysis is essential for building trustworthy Large Language Model-based Multi-Agent Systems (LLM-MAS)}. These system…

cs.CR2025

Keeping an Eye on LLM Unlearning: The Hidden Risk and Remedy

Jie Ren, Zhenwei Dai, Xianfeng Tang +9

Although Large Language Models (LLMs) have demonstrated impressive capabilities across a wide range of tasks, growing concerns have emerged over the misuse of sensitive, copyrighte…

cs.CR2025

Multi-Faceted Studies on Data Poisoning can Advance LLM Development

Pengfei He, Yue Xing, Han Xu +2

The lifecycle of large language models (LLMs) is far more complex than that of traditional machine learning models, involving multiple training stages, diverse data sources, and va…

cs.CR2025

Red-Teaming LLM Multi-Agent Systems via Communication Attacks

Pengfei He, Yupin Lin, Shen Dong +3

Large Language Model-based Multi-Agent Systems (LLM-MAS) have revolutionized complex problem-solving capability by enabling sophisticated agent collaboration through message-based…

cs.CR2025

Unveiling Privacy Risks in LLM Agent Memory

Bo Wang, Weiyi He, Shenglai Zeng +4

Large Language Model (LLM) agents have become increasingly prevalent across various real-world applications. They enhance decision-making by storing private user-agent interactions…

cs.CR2024★ 5 cited

Mitigating the Privacy Issues in Retrieval-Augmented Generation (RAG) via Pure Synthetic Data

Shenglai Zeng, Jiankun Zhang, Pengfei He +7

Retrieval-augmented generation (RAG) enhances the outputs of language models by integrating relevant information retrieved from external knowledge sources. However, when the retrie…

cs.CR2024

EnTruth: Enhancing the Traceability of Unauthorized Dataset Usage in Text-to-image Diffusion Models with Minimal and Robust Alterations

Jie Ren, Yingqian Cui, Chen Chen +3

Generative models, especially text-to-image diffusion models, have significantly advanced in their ability to generate images, benefiting from enhanced architectures, increased com…

cs.CR2024★ 6 cited

The Good and The Bad: Exploring Privacy Issues in Retrieval-Augmented Generation (RAG)

Shenglai Zeng, Jiankun Zhang, Pengfei He +8

Retrieval-augmented generation (RAG) is a powerful technique to facilitate language model with proprietary and private data, where data privacy is a pivotal concern. Whereas extens…

cs.CR2024★ 1 cited

Data Poisoning for In-context Learning

Pengfei He, Han Xu, Yue Xing +3

In the domain of large language models (LLMs), in-context learning (ICL) has been recognized for its innovative ability to adapt to new tasks, relying on examples rather than retra…

cs.CR2023★ 1 cited

Stealthy Backdoor Attack via Confidence-driven Sampling

Pengfei He, Yue Xing, Han Xu +6

Backdoor attacks aim to surreptitiously insert malicious triggers into DNN models, granting unauthorized control during testing scenarios. Existing methods lack robustness against…