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The advent of Large Language Models LLMs marks a milestone in Artificial Intelligence, altering how machines comprehend and generate human language. However, LLMs are vulnerable to malicious prompt injection attacks, where crafted inputs…

Computation and Language · Computer Science 2024-10-29 Sahasra Kokkula , Somanathan R , Nandavardhan R , Aashishkumar , G Divya

LLM-powered agents face a persistent challenge: learning from their execution experiences to improve future performance. While agents can successfully complete many tasks, they often repeat inefficient patterns, fail to recover from similar…

Artificial Intelligence · Computer Science 2026-03-12 Gaodan Fang , Vatche Isahagian , K. R. Jayaram , Ritesh Kumar , Vinod Muthusamy , Punleuk Oum , Gegi Thomas

Enabling continual learning in LLMs remains a key unresolved research challenge. In a recent announcement, a frontier LLM company made a step towards this by introducing Agent Skills, a framework that equips agents with new knowledge based…

Machine Learning · Computer Science 2025-10-31 David Schmotz , Sahar Abdelnabi , Maksym Andriushchenko

Graphical user interface (GUI) agents powered by multimodal large language models (MLLMs) have shown greater promise for human-interaction. However, due to the high fine-tuning cost, users often rely on open-source GUI agents or APIs…

Computation and Language · Computer Science 2025-05-26 Pengzhou Cheng , Haowen Hu , Zheng Wu , Zongru Wu , Tianjie Ju , Zhuosheng Zhang , Gongshen Liu

Autonomous agentic AI systems powered by vision-language models (VLMs) are rapidly advancing toward real-world deployment, yet their cross-modal reasoning capabilities introduce new attack surfaces for adversarial manipulation that exploit…

Artificial Intelligence · Computer Science 2025-11-25 Hangoo Kang , Jehyeok Yeon , Gagandeep Singh

Long-context large language models (LLMs), such as Gemini-2.5-Pro and Claude-Sonnet-4, are increasingly used to empower advanced AI systems, including retrieval-augmented generation (RAG) pipelines and autonomous agents. In these systems,…

Computation and Language · Computer Science 2026-04-21 Yanting Wang , Runpeng Geng , Ying Chen , Jinyuan Jia

The remarkable performance of large language models (LLMs) in generation tasks has enabled practitioners to leverage publicly available models to power custom applications, such as chatbots and virtual assistants. However, the data used to…

Artificial Intelligence · Computer Science 2025-03-28 Yuetai Li , Zhangchen Xu , Fengqing Jiang , Luyao Niu , Dinuka Sahabandu , Bhaskar Ramasubramanian , Radha Poovendran

This paper introduces a novel self-consciousness defense mechanism for Large Language Models (LLMs) to combat prompt injection attacks. Unlike traditional approaches that rely on external classifiers, our method leverages the LLM's inherent…

Artificial Intelligence · Computer Science 2025-10-03 Boshi Huang , Fabio Nonato de Paula

Large Language Models (LLMs) are attracting significant research attention due to their instruction-following abilities, allowing users and developers to leverage LLMs for a variety of tasks. However, LLMs are vulnerable to prompt-injection…

Cryptography and Security · Computer Science 2024-01-10 Julien Piet , Maha Alrashed , Chawin Sitawarin , Sizhe Chen , Zeming Wei , Elizabeth Sun , Basel Alomair , David Wagner

Test-time compute has led to remarkable success in the large language model (LLM) community, particularly for complex tasks, where longer chains of thought (CoTs) are generated to enhance reasoning capabilities. However, growing evidence…

Artificial Intelligence · Computer Science 2025-10-23 Chenxu Yang , Qingyi Si , Mz Dai , Dingyu Yao , Mingyu Zheng , Minghui Chen , Zheng Lin , Weiping Wang

The safety of autonomous AI agents is increasingly recognized as a critical open problem. As agents transition from passive text generators to active actors capable of executing shell commands, modifying files, calling APIs, and browsing…

Artificial Intelligence · Computer Science 2026-05-19 Ashwin Aravind

Large language models (LLMs) have been widely deployed in Conversational AIs (CAIs), while exposing privacy and security threats. Recent research shows that LLM-based CAIs can be manipulated to extract private information from human users,…

Cryptography and Security · Computer Science 2025-10-07 Yu Cui , Sicheng Pan , Yifei Liu , Haibin Zhang , Cong Zuo

Current test-time scaling (TTS) techniques enhance large language model (LLM) performance by allocating additional computation at inference time, yet they remain insufficient for agentic settings, where actions directly interact with…

Computation and Language · Computer Science 2026-02-04 Xingshan Zeng , Lingzhi Wang , Weiwen Liu , Liangyou Li , Yasheng Wang , Lifeng Shang , Xin Jiang , Qun Liu

LLM based agents are increasingly deployed in high stakes settings where they process external data sources such as emails, documents, and code repositories. This creates exposure to indirect prompt injection attacks, where adversarial…

The acquisition of agentic capabilities has transformed LLMs from "knowledge providers" to "action executors", a trend that while expanding LLMs' capability boundaries, significantly increases their susceptibility to malicious use. Previous…

Cryptography and Security · Computer Science 2025-05-30 Jinchuan Zhang , Lu Yin , Yan Zhou , Songlin Hu

From automated intrusion testing to discovery of zero-day attacks before software launch, agentic AI calls for great promises in security engineering. This strong capability is bound with a similar threat: the security and research…

Cryptography and Security · Computer Science 2025-05-13 Brian Challita , Pierre Parrend

Agentic AI shifts LLM serving from isolated prompt-generation requests to stateful, multi-turn executions that repeatedly invoke the model, call tools, and grow context over time. This paper characterizes ReAct-style agents from both the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-27 Yichao Yuan , Ankita Nayak , Souvik Kundu , Nishil Talati

Autonomous LLM agents can issue thousands of API calls per hour without human oversight. OAuth 2.0 assumes deterministic clients, but in agentic settings stochastic reasoning, prompt injection, or multi-agent orchestration can silently…

Cryptography and Security · Computer Science 2025-09-18 Abhishek Goswami

LLM-integrated applications are vulnerable to prompt injection attacks, where an attacker contaminates the input to inject malicious instructions, causing the LLM to follow the attacker's intent instead of the original user's. Existing…

Cryptography and Security · Computer Science 2026-01-27 Wei Zou , Yupei Liu , Yanting Wang , Ying Chen , Neil Gong , Jinyuan Jia

Large Language Model (LLM)-based agents are widely used in real-world applications such as customer service, web navigation, and software engineering. As these systems become more autonomous and are deployed at scale, understanding why an…

Artificial Intelligence · Computer Science 2026-02-06 Chen Qian , Peng Wang , Dongrui Liu , Junyao Yang , Dadi Guo , Ling Tang , Jilin Mei , Qihan Ren , Shuai Shao , Yong Liu , Jie Fu , Jing Shao , Xia Hu