ReGA: Model-Based Safeguard for LLMs via Representation-Guided Abstraction.

Chengcan Wu

Zeming Wei Chengcan Wu Meng Sun 0002 ReGA: Model-Based Safeguard for LLMs via Representation-Guided Abstraction. 3863-3886 2026 3 Proc. ACM Softw. Eng. FSE https://doi.org/10.1145/3808177 db/journals/pacmse/pacmse3.html#WeiWS26

Zeming Wei Zhixin Zhang Chengcan Wu Yihao Zhang 0012 Xiaokun Luan Meng Sun 0002 RACA: Representation-Aware Coverage Criteria for LLM Safety Testing. 2026 February abs/2602.02280 CoRR https://doi.org/10.48550/arXiv.2602.02280 db/journals/corr/corr2602.html#abs-2602-02280 streams/journals/corr

Yihao Zhang 0012 Zeming Wei Xiaokun Luan Chengcan Wu Zhixin Zhang Jiangrong Wu Haolin Wu Huanran Chen Jun Sun 0001 Meng Sun 0002 ClawWorm: Self-Propagating Attacks Across LLM Agent Ecosystems. 2026 March abs/2603.15727 CoRR https://doi.org/10.48550/arXiv.2603.15727 db/journals/corr/corr2603.html#abs-2603-15727 streams/journals/corr

Zhixin Zhang Shabo Zhang Chengcan Wu Zeming Wei Meng Sun 0002 Absorber LLM: Harnessing Causal Synchronization for Test-Time Training. 2026 April abs/2604.20915 CoRR https://doi.org/10.48550/arXiv.2604.20915 db/journals/corr/corr2604.html#abs-2604-20915 streams/journals/corr

Chengcan Wu Zhixin Zhang Zeming Wei Yihao Zhang 0012 Meng Sun 0002 Mitigating Fine-tuning Risks in LLMs via Safety-Aware Probing Optimization. 2025 May abs/2505.16737 CoRR https://doi.org/10.48550/arXiv.2505.16737 db/journals/corr/corr2505.html#abs-2505-16737 streams/journals/corr

Zeming Wei Chengcan Wu Meng Sun 0002 ReGA: Representation-Guided Abstraction for Model-based Safeguarding of LLMs. 2025 June abs/2506.01770 CoRR https://doi.org/10.48550/arXiv.2506.01770 db/journals/corr/corr2506.html#abs-2506-01770 streams/journals/corr

Chengcan Wu Zeming Wei Huanran Chen Yinpeng Dong Meng Sun 0002 Reliable Unlearning Harmful Information in LLMs with Metamorphosis Representation Projection. 2025 August abs/2508.15449 CoRR https://doi.org/10.48550/arXiv.2508.15449 db/journals/corr/corr2508.html#abs-2508-15449 streams/journals/corr

Chengcan Wu Zhixin Zhang Mingqian Xu Zeming Wei Meng Sun 0002 Monitoring LLM-based Multi-Agent Systems Against Corruptions via Node Evaluation. 2025 October abs/2510.19420 CoRR https://doi.org/10.48550/arXiv.2510.19420 db/journals/corr/corr2510.html#abs-2510-19420 streams/journals/corr

Huanran Chen Yinpeng Dong Xiaokun Luan Jun Sun 0001 Meng Sun 0002 Zeming Wei Haolin Wu Jiangrong Wu Mingqian Xu Shabo Zhang Yihao Zhang 0012 Zhixin Zhang