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Related papers: Memory poisoning and secure multi-agent systems

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Large language models are increasingly augmented with persistent memory, allowing assistants to store user-specific information across sessions for personalization and continuity. This statefulness introduces a new security risk:…

Cryptography and Security · Computer Science 2026-05-19 Sidharth Pulipaka , Stanislau Hlebik , Leonidas Raghav , Sahar Abdelnabi , Vyas Raina , Ivaxi Sheth , Mario Fritz

Large language model agents equipped with persistent memory are vulnerable to memory poisoning attacks, where adversaries inject malicious instructions through query only interactions that corrupt the agents long term memory and influence…

Cryptography and Security · Computer Science 2026-01-13 Balachandra Devarangadi Sunil , Isheeta Sinha , Piyush Maheshwari , Shantanu Todmal , Shreyan Mallik , Shuchi Mishra

Research on large language model (LLM) security is shifting from "will the model leak training data" to a more consequential question: can an agent with persistent, long-term memory be continuously shaped, cross-session poisoned, accessed…

Cryptography and Security · Computer Science 2026-04-21 Zehao Lin , Chunyu Li , Kai Chen

Large Language Models (LLMs) are increasingly deployed as agentic systems that plan, memorize, and act in open-world environments. This shift brings new security problems: failures are no longer only unsafe text generation, but can become…

Cryptography and Security · Computer Science 2026-03-03 Zhihang Deng , Jiaping Gui , Weinan Zhang

Large language model (LLM) agents increasingly leverage long term memory to support persistent and autonomous task execution. However, this capability also introduces a new attack surface: memory poisoning, where adversaries can inject…

Cryptography and Security · Computer Science 2026-05-29 Hongtao Wang , Se Yang , Yu Chen , Puzhuo Liu

Agentic memory systems enable large language model (LLM) agents to maintain state across long interactions, supporting long-horizon reasoning and personalization beyond fixed context windows. Despite rapid architectural development, the…

Computation and Language · Computer Science 2026-05-21 Dongming Jiang , Yi Li , Songtao Wei , Jinxin Yang , Ayushi Kishore , Alysa Zhao , Dingyi Kang , Xu Hu , Feng Chen , Qiannan Li , Bingzhe Li

Safety evaluations of memory-equipped LLM agents typically measure within-task safety: whether an agent completes a single scenario safely, often under adversarial conditions such as prompt injection or memory poisoning. In deployment,…

Artificial Intelligence · Computer Science 2026-05-19 Ahmad Al-Tawaha , Shangding Gu , Peizhi Niu , Ruoxi Jia , Ming Jin

LLM-driven agents are capable of selecting external tools to complete users' tasks. However, attackers could compromise such process, steering agents toward inappropriate/wrong tools and enabling malicious actions. Most existing attacks…

Cryptography and Security · Computer Science 2026-05-27 Xuanye Zhang , Yongsen Zheng , Zhuqin Xu , Kaiyu Zhou , Bowen Shen , Haoran Ou , Tianwei Zhang , Kwok-Yan Lam

Large Language Model (LLM) agents use memory to learn from past interactions, enabling autonomous planning and decision-making in complex environments. However, this reliance on memory introduces a critical security risk: an adversary can…

Cryptography and Security · Computer Science 2025-10-06 Qianshan Wei , Tengchao Yang , Yaochen Wang , Xinfeng Li , Lijun Li , Zhenfei Yin , Yi Zhan , Thorsten Holz , Zhiqiang Lin , XiaoFeng Wang

Memory plays a pivotal role in enabling large language model~(LLM)-based agents to engage in complex and long-term interactions, such as question answering (QA) and dialogue systems. While various memory modules have been proposed for these…

Computation and Language · Computer Science 2024-12-23 Ruihong Zeng , Jinyuan Fang , Siwei Liu , Zaiqiao Meng

Agentic AI systems powered by large language models (LLMs) and endowed with planning, tool use, memory, and autonomy, are emerging as powerful, flexible platforms for automation. Their ability to autonomously execute tasks across web,…

Artificial Intelligence · Computer Science 2026-04-07 Anshuman Chhabra , Shrestha Datta , Shahriar Kabir Nahin , Prasant Mohapatra

Memory emerges as the core module in the large language model (LLM)-based agents for long-horizon complex tasks (e.g., multi-turn dialogue, game playing, scientific discovery), where memory can enable knowledge accumulation, iterative…

Computation and Language · Computer Science 2026-05-04 Yanchen Wu , Tenghui Lin , Yingli Zhou , Fangyuan Zhang , Qintian Guo , Xun Zhou , Sibo Wang , Xilin Liu , Yuchi Ma , Yixiang Fang

Large Language Models (LLMs) have empowered AI agents with advanced capabilities for understanding, reasoning, and interacting across diverse tasks. The addition of memory further enhances them by enabling continuity across interactions,…

Artificial Intelligence · Computer Science 2025-12-19 Himanshu Gharat , Himanshi Agrawal , Gourab K. Patro

Large Language Model based multi-agent systems are revolutionizing autonomous communication and collaboration, yet they remain vulnerable to security threats like unauthorized access and data breaches. To address this, we introduce…

Artificial Intelligence · Computer Science 2025-07-09 Junyuan Mao , Fanci Meng , Yifan Duan , Miao Yu , Xiaojun Jia , Junfeng Fang , Yuxuan Liang , Kun Wang , Qingsong Wen

AI agents, predominantly powered by large language models (LLMs), are vulnerable to indirect prompt injection, in which malicious instructions embedded in untrusted data can trigger dangerous agent actions. This position paper discusses our…

Cryptography and Security · Computer Science 2026-04-01 Chong Xiang , Drew Zagieboylo , Shaona Ghosh , Sanjay Kariyappa , Kai Greshake , Hanshen Xiao , Chaowei Xiao , G. Edward Suh

Autonomous web navigation agents, which translate natural language instructions into sequences of browser actions, are increasingly deployed for complex tasks across e-commerce, information retrieval, and content discovery. Due to the…

Cryptography and Security · Computer Science 2025-06-24 Atharv Singh Patlan , Ashwin Hebbar , Pramod Viswanath , Prateek Mittal

Large language model (LLM)-powered multi-agent systems (MAS) enable agents to communicate and share information, achieving strong performance on complex tasks. However, this communication also creates an attack surface where malicious…

Cryptography and Security · Computer Science 2026-05-05 Lingxi Zhang , Guangtao Zheng , Hanjie Chen

Large Language Model (LLM) agents increasingly rely on long-term memory and Retrieval-Augmented Generation (RAG) to persist experiences and refine future performance. While this experience learning capability enhances agentic autonomy, it…

Cryptography and Security · Computer Science 2025-12-22 Saksham Sahai Srivastava , Haoyu He

When combining Large Language Models (LLMs) with autonomous agents, used in network monitoring and decision-making systems, this will create serious security issues. In this research, the MAESTRO framework consisting of the seven layers…

Cryptography and Security · Computer Science 2025-08-15 Pallavi Zambare , Venkata Nikhil Thanikella , Ying Liu

Recent advances in large language models (LLMs) have catalyzed the rise of autonomous AI agents capable of perceiving, reasoning, and acting in dynamic, open-ended environments. These large-model agents mark a paradigm shift from static…

Artificial Intelligence · Computer Science 2025-07-01 Hang Su , Jun Luo , Chang Liu , Xiao Yang , Yichi Zhang , Yinpeng Dong , Jun Zhu
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