Over-reasoning as a Vulnerability: Neuron Activation-Guided Denial-of-Service Attacks on Large Reasoning Models

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Cite this paper

@article{jiaxiang2026,
  title = {Over-reasoning as a Vulnerability: Neuron Activation-Guided Denial-of-Service Attacks on Large Reasoning Models},
  author = {Li, Jiaxiang and Wei, Zhipeng and Qian, Tianwen and Wu, Yuanbin and Hu, Xianming and Wang, Xiaoling},
  journal = {Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing},
  year = {2026},
  month = {Jan},
}