TROJail: Trajectory-Level Optimization for Multi-Turn Large Language Model Jailbreaks with Process Rewards

Xiqiao Xiong, Ouxiang Li, Zhuo Liu, Moxin Li, Wentao Shi 0002, Fengbin Zhu, Qifan Wang 0001, Fuli Feng. TROJail: Trajectory-Level Optimization for Multi-Turn Large Language Model Jailbreaks with Process Rewards. In Maria Liakata, Viviane P. Moreira, Jiajun Zhang 0001, David Jurgens, editors, Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2026, San Diego, California, United States, July 2-7, 2026. pages 48086-48109, Association for Computational Linguistics, 2026. [doi]

Authors

Xiqiao Xiong

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Ouxiang Li

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Zhuo Liu

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Moxin Li

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Wentao Shi 0002

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Fengbin Zhu

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Qifan Wang 0001

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Fuli Feng

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