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cs.CR2026
DenialRAG: Single-Document RAG Poisoning via Embedded Parametric Denial
Abay Zhurekbay, Tao Liu, Fan Li
Retrieval-augmented generation (RAG) systems are vulnerable to corpus poisoning: an attacker who inserts a crafted document into the retrieval corpus can steer the underlying large…
cs.CL2026
AttnLink: Turning Attention into Schema Links for Text-to-SQL
Jinwang Song, Tao Liu, Haowen Zheng +3
Schema linking is a critical component of Text-to-SQL systems, but existing approaches often trade off contextual modeling capacity, score-based controllability, and inference effi…
cs.CR2026
STARE: Step-wise Temporal Alignment and Red-teaming Engine for Multi-modal Toxicity Attack
Xutao Mao, Liangjie Zhao, Tao Liu +3
Red-teaming Vision-Language Models is essential for identifying vulnerabilities where adversarial image-text inputs trigger toxic outputs. Existing approaches treat image generatio…