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Retrieval-Augmented Generation (RAG) systems, which integrate Large Language Models (LLMs) with external knowledge sources, are vulnerable to a range of adversarial attack vectors. This paper examines the importance of RAG systems through…

Cryptography and Security · Computer Science 2025-06-03 Chris M. Ward , Josh Harguess

Retrieval-Augmented Generation (RAG) systems enhance response credibility and traceability by displaying reference contexts, but this transparency simultaneously introduces a novel black-box attack vector. Existing document poisoning…

Computation and Language · Computer Science 2026-01-27 Runqi Sui

Large language models (LLMs) have achieved remarkable success in various domains, primarily due to their strong capabilities in reasoning and generating human-like text. Despite their impressive performance, LLMs are susceptible to…

Cryptography and Security · Computer Science 2025-05-13 Yangguang Shao , Xinjie Lin , Haozheng Luo , Chengshang Hou , Gang Xiong , Jiahao Yu , Junzheng Shi

Large Language Models (LLMs) have demonstrated remarkable capabilities in generating coherent text but remain limited by the static nature of their training data. Retrieval Augmented Generation (RAG) addresses this issue by combining LLMs…

Cryptography and Security · Computer Science 2024-10-21 Cody Clop , Yannick Teglia

Retrieval-Augmented Generation (RAG) systems based on Large Language Models (LLMs) have become a core technology for tasks such as question-answering (QA) and content generation. RAG poisoning is an attack method to induce LLMs to generate…

Artificial Intelligence · Computer Science 2026-01-13 Meng Xi , Sihan Lv , Yechen Jin , Guanjie Cheng , Naibo Wang , Ying Li , Jianwei Yin

Retrieval-Augmented Generation (RAG) systems enhance large language models (LLMs) by integrating external knowledge, making them adaptable and cost-effective for various applications. However, the growing reliance on these systems also…

Cryptography and Security · Computer Science 2024-10-31 Yucheng Zhang , Qinfeng Li , Tianyu Du , Xuhong Zhang , Xinkui Zhao , Zhengwen Feng , Jianwei Yin

In Large Language Models, Retrieval-Augmented Generation (RAG) systems can significantly enhance the performance of large language models by integrating external knowledge. However, RAG also introduces new security risks. Existing research…

Machine Learning · Computer Science 2025-06-16 Linlin Wang , Tianqing Zhu , Laiqiao Qin , Longxiang Gao , Wanlei Zhou

Retrieval-Augmented Generation (RAG) is an emerging approach in natural language processing that combines large language models (LLMs) with external document retrieval to produce more accurate and grounded responses. While RAG has shown…

Cryptography and Security · Computer Science 2025-09-25 Atousa Arzanipour , Rouzbeh Behnia , Reza Ebrahimi , Kaushik Dutta

Retrieval-Augmented Generation (RAG) has emerged as a promising paradigm to enhance large language models (LLMs) with external knowledge, reducing hallucinations and compensating for outdated information. However, recent studies have…

Information Retrieval · Computer Science 2026-01-01 Pankayaraj Pathmanathan , Michael-Andrei Panaitescu-Liess , Cho-Yu Jason Chiang , Furong Huang

Retrieval-augmented generation (RAG) has become a common practice in multimodal large language models (MLLM) to enhance factual grounding and reduce hallucination. Yet, its reliance on retrieval exposes MLLMs to knowledge poisoning attacks,…

Retrieval-Augmented Generation (RAG) has emerged as the dominant architectural pattern to operationalize Large Language Model (LLM) usage in Cyber Threat Intelligence (CTI) systems. However, this design is susceptible to poisoning attacks,…

Cryptography and Security · Computer Science 2025-12-17 Austin Jia , Avaneesh Ramesh , Zain Shamsi , Daniel Zhang , Alex Liu

Retrieval-Augmented Generation (RAG) systems based on Large Language Models (LLMs) have become essential for tasks such as question answering and content generation. However, their increasing impact on public opinion and information…

Computation and Language · Computer Science 2025-12-30 Yuyang Gong , Zhuo Chen , Jiawei Liu , Miaokun Chen , Fengchang Yu , Wei Lu , Xiaofeng Wang , Xiaozhong Liu

Retrieval-Augmented Generation (RAG) significantly mitigates the hallucinations and domain knowledge deficiency in large language models by incorporating external knowledge bases. However, the multi-module architecture of RAG introduces…

Cryptography and Security · Computer Science 2026-03-24 Yanming Mu , Hao Hu , Feiyang Li , Qiao Yuan , Jiang Wu , Zichuan Liu , Pengcheng Liu , Mei Wang , Hongwei Zhou , Yuling Liu

Retrieval-augmented generation (RAG) systems are widely deployed in real-world applications in diverse domains such as finance, healthcare, and cybersecurity. However, many studies showed that they are vulnerable to knowledge corruption…

Cryptography and Security · Computer Science 2025-08-27 Runpeng Geng , Yanting Wang , Ying Chen , Jinyuan Jia

Presently, with the assistance of advanced LLM application development frameworks, more and more LLM-powered applications can effortlessly augment the LLMs' knowledge with external content using the retrieval augmented generation (RAG)…

Cryptography and Security · Computer Science 2024-04-29 Quan Zhang , Binqi Zeng , Chijin Zhou , Gwihwan Go , Heyuan Shi , Yu Jiang

Retrieval-Augmented Generation (RAG) has become a standard approach for improving the reliability of large language models (LLMs). Prior work demonstrates the vulnerability of RAG systems by misleading them into generating attacker-chosen…

Cryptography and Security · Computer Science 2025-08-28 Yanbo Dai , Zhenlan Ji , Zongjie Li , Kuan Li , Shuai Wang

Retrieval-Augmented Generation (RAG) integrates external knowledge into large language models to improve response quality. However, recent work has shown that RAG systems are highly vulnerable to poisoning attacks, where malicious texts are…

Cryptography and Security · Computer Science 2025-10-21 Baolei Zhang , Haoran Xin , Yuxi Chen , Zhuqing Liu , Biao Yi , Tong Li , Lihai Nie , Zheli Liu , Minghong Fang

Despite significant advancements, large language models (LLMs) still struggle with providing accurate answers when lacking domain-specific or up-to-date knowledge. Retrieval-Augmented Generation (RAG) addresses this limitation by…

Cryptography and Security · Computer Science 2025-04-01 Yuefeng Peng , Junda Wang , Hong Yu , Amir Houmansadr

Retrieval-Augmented Generation (RAG) compensates for the static knowledge limitations of Large Language Models (LLMs) by integrating external knowledge, producing responses with enhanced factual correctness and query-specific…

Computation and Language · Computer Science 2025-05-21 Ruobing Yao , Yifei Zhang , Shuang Song , Neng Gao , Chenyang Tu

Large Language Models (LLMs) have demonstrated remarkable performance across a wide range of applications. However, their practical deployment is often hindered by issues such as outdated knowledge and the tendency to generate…

Cryptography and Security · Computer Science 2026-03-27 Haozhen Wang , Haoyue Liu , Jionghao Zhu , Zhichao Wang , Yongxin Guo , Xiaoying Tang