Author

Xiao-Nan Ren

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Preprint Sep 2026

MarkSec: Capability-Aware Evaluation of Adversarial Attacks Against LLM Watermarks

Results show that apparent attack winners depend on text-quality constraints, attack generality, and capability assumptions, and that apparent attack winners depend on text-quality constraints, attack generality, and capability assumptions.

Kai-Rong Li, Zhi-Kun Zhang, Xiao-Nan Ren et al. · 0 citations

Preprint Sep 2026

InceptionRAG: Stealthy Poisoning Attack Against Retrieval-Augmented Generation

Retrieval-augmented generation (RAG) systems enhance large language models (LLMs) with external knowledge but have been demonstrated to be vulnerable to corpus poisoning. Existing poisoning attacks against RAG largely focus on single-point explicit injection, where the malicious payload is fully encapsulated within a s...

Jia-Chang Zhang, Min Chen, Xiao-Nan Ren et al. · 0 citations