@article{rewardunderattackanalyzingtherobustnessa,
  title = {Reward Under Attack: Analyzing the Robustness and Hackability of Process Reward Models},
  author = {Rishabh Tiwari and Aditya Tomar and Udbhav Bamba and Monishwaran Maheswaran and Heng Yang and Michael W. Mahoney and Kurt Keutzer and Amir Gholami},
  year = {2026},
  eprint = {2603.06621},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.06621},
}