When Context Bites: Detecting RAG Poisoning via Document-Level Attention Collapse.

@inproceedings{xiao-2026-context, author = {Yanghua Xiao and Yingtao Ren and Yanghua Xiao and Yingtao Ren and Ao Wang and Ziyi Zhao and Ao Wang and Ziyi Zhao and Liang He and Yiwei Fu and Liang He and Yiwei Fu and Bin Shao and Xiao Luo and Bin Shao and Xiao Luo and Yu-Cheng Chang and Chin-Teng Lin}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{When Context Bites: Detecting RAG Poisoning via Document-Level Attention Collapse}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {4080--4086}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809904}, doi = {https://doi.org/10.1145/3805712.3809904} }