Pengcheng Li
2 indexed papers
Recent (6 mo)
2With code
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226
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Crypto×2AI×2
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Research Timeline
2026
Towards Secure Retrieval-Augmented Generation: A Comprehensive Review of Threats, Defenses and Benchmarks
This paper provides the first comprehensive, end-to-end survey dedicated to the security of Retrieval-Augmented Generation (RAG) systems, systematically mapping threats, defenses, and benchmarks across the entire pipeline.
Mitigating Many-shot Jailbreak Attacks with One Single Demonstration
The paper proposes mitigating the progressive degradation of safety in language models caused by many-shot jailbreak attacks by appending a single, fixed safety demonstration at inference time.
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Papers
cs.CRcs.AIRecentMay 8, 2026
Mitigating Many-shot Jailbreak Attacks with One Single Demonstration
Kejia Chen, Jiawen Zhang, Boheng Li, Pengcheng Li +5 more
The paper proposes mitigating the progressive degradation of safety in language models caused by many-shot jailbreak attacks by appending a single, fixed safety demonstration at inference time.
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cs.CRcs.AIRecentMar 23, 2026