Liu, S., Li, R., Yu, L., Zhang, L., Liu, Z., & Jin, G. (2026). BadThink: Triggered Overthinking Attacks on Chain-of-Thought Reasoning in Large Language Models. Proceedings of the AAAI Conference on Artificial Intelligence, 40(38), 32141–32149. https://doi.org/10.1609/aaai.v40i38.40486