@article{skilljackpersistentskillbackdoorsinselfe,
  title = {SkillJack: Persistent Skill Backdoors in Self-Evolving Agents},
  author = {Zonghao Ying and Xiangfan Wu and Huiyu Wu and Xing Zheng and Huangsheng Cheng and Xiaorong Shi and Jing Guo},
  year = {2026},
  eprint = {2608.03509},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.03509},
}