English
Related papers

Related papers: Hidden in the Metadata: Stealth Poisoning Attacks …

200 papers

After natural disasters, accurate evaluations of damage to housing are important for insurance claims response and planning of resources. In this work, we introduce a novel multimodal retrieval-augmented generation (MM-RAG) framework. On…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Jiayi Miao , Dingxin Lu , Zhuqi Wang

Retrieval Augmented Generation (RAG) expands the capabilities of modern large language models (LLMs), by anchoring, adapting, and personalizing their responses to the most relevant knowledge sources. It is particularly useful in chatbot…

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) is instrumental for inhibiting hallucinations in large language models (LLMs) through the use of a factual knowledge base (KB). Although PDF documents are prominent sources of knowledge, text-based RAG…

Computation and Language · Computer Science 2026-04-03 Ezzeldin Shereen , Dan Ristea , Shae McFadden , Burak Hasircioglu , Vasilios Mavroudis , Chris Hicks

Retrieval Augmented Generation (RAG) systems have shown great promise in natural language processing. However, their reliance on data stored in a retrieval database, which may contain proprietary or sensitive information, introduces new…

Cryptography and Security · Computer Science 2025-03-10 Maya Anderson , Guy Amit , Abigail Goldsteen

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

Visual Question Answering systems face reliability issues due to hallucinations, where models generate answers misaligned with visual input or factual knowledge. While Retrieval Augmented Generation frameworks mitigate this issue by…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Ruoshuang Du , Xin Sun , Qiang Liu , Bowen Song , Zhongqi Chen , Weiqiang Wang , Liang Wang

Retrieval-Augmented Generation (RAG) has attracted significant attention due to its ability to combine the generative capabilities of Large Language Models (LLMs) with knowledge obtained through efficient retrieval mechanisms over…

Cryptography and Security · Computer Science 2026-01-19 Aiman Al Masoud , Marco Arazzi , Antonino Nocera

The growing adoption of multimodal Retrieval-Augmented Generation (mRAG) pipelines for vision-centric tasks (e.g., visual QA) introduces important privacy challenges. In particular, while mRAG provides a practical capability to connect…

Cryptography and Security · Computer Science 2026-05-06 Ali Al-Lawati , Suhang Wang

Multimodal Retrieval-Augmented Generation (MRAG) addresses key limitations of Multimodal Large Language Models (MLLMs), such as hallucination and outdated knowledge. However, current MRAG systems struggle to distinguish whether retrieved…

Computation and Language · Computer Science 2026-05-01 Xihang Wang , Zihan Wang , Chengkai Huang , Quan Z. Sheng , Lina Yao

Retrieval-Augmented Generation (RAG) has proven effective in mitigating hallucinations in large language models by incorporating external knowledge during inference. However, this integration introduces new security vulnerabilities,…

Cryptography and Security · Computer Science 2025-05-27 Baolei Zhang , Haoran Xin , Jiatong Li , Dongzhe Zhang , Minghong Fang , Zhuqing Liu , Lihai Nie , Zheli Liu

Retrieval-Augmented Generation (RAG) is widely used to augment large language models with external knowledge retrieval to improve reliability and generalization. However, recent studies have shown that RAG systems remain vulnerable to data…

Information Retrieval · Computer Science 2026-05-20 Xingyu Lyu , Jianfeng He , Ning Wang , Yidan Hu , Tao Li , Danjue Chen , Shixiong Li , Yimin Chen

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

Retrieval-Augmented Generation (RAG) systems enhance Large Language Models (LLMs) by retrieving relevant documents from external corpora before generating responses. This approach significantly expands LLM capabilities by leveraging vast,…

Cryptography and Security · Computer Science 2025-11-13 Haowei Wang , Rupeng Zhang , Junjie Wang , Mingyang Li , Yuekai Huang , Dandan Wang , Qing Wang

Retrieval-Augmented Generation (RAG) systems extend large language models (LLMs) with external knowledge sources but introduce new attack surfaces through the retrieval pipeline. In particular, adversaries can poison retrieval corpora so…

Cryptography and Security · Computer Science 2026-03-20 Scott Thornton

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) systems enhance LLMs with external knowledge but introduce a critical attack surface: corpus poisoning. While recent studies have demonstrated the potential of such attacks, they typically rely on…

Cryptography and Security · Computer Science 2026-01-21 Tailun Chen , Yu He , Yan Wang , Shuo Shao , Haolun Zheng , Zhihao Liu , Jinfeng Li , Zhizhen Qin , Yuefeng Chen , Zhixuan Chu , Zhan Qin , Kui Ren

Retrieval-augmented generation (RAG) systems are vulnerable to attacks that inject poisoned passages into the retrieved context, even at low corruption rates. We show that existing attacks are not designed to be stealthy, allowing reliable…

Cryptography and Security · Computer Science 2026-05-25 Sarthak Choudhary , Nils Palumbo , Ashish Hooda , Krishnamurthy Dj Dvijotham , Somesh Jha

Retrieval-Augmented Generation (RAG) systems, widely used to improve the factual grounding of large language models (LLMs), are increasingly vulnerable to poisoning attacks, where adversaries inject manipulated content into the retriever's…

Information Retrieval · Computer Science 2025-06-04 Liuji Chen , Xiaofang Yang , Yuanzhuo Lu , Jinghao Zhang , Xin Sun , Qiang Liu , Shu Wu , Jing Dong , Liang Wang

Retrieval-Augmented Generation (RAG) is a state-of-the-art technique that mitigates issues such as hallucinations and knowledge staleness in Large Language Models (LLMs) by retrieving relevant knowledge from an external database to assist…

Cryptography and Security · Computer Science 2024-09-27 Yuying Li , Gaoyang Liu , Chen Wang , Yang Yang