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Large Language Models (LLMs) remain vulnerable to prompt injection attacks, representing the most significant security threat in production deployments. We present Prompt Fencing, a novel architectural approach that applies cryptographic…

Cryptography and Security · Computer Science 2025-11-26 Steven Peh

Recent advances in Large Language Models (LLMs) have brought remarkable progress in code understanding and reasoning, creating new opportunities and raising new concerns for software security. Among many downstream tasks, generating…

Software Engineering · Computer Science 2025-10-14 Mengyao Zhao , Kaixuan Li , Lyuye Zhang , Wenjing Dang , Chenggong Ding , Sen Chen , Zheli Liu

Code vulnerability detection is crucial for ensuring the security and reliability of modern software systems. Recently, Large Language Models (LLMs) have shown promising capabilities in this domain. However, notable discrepancies in…

Software Engineering · Computer Science 2025-09-19 Zhihong Sun , Jia Li , Yao Wan , Chuanyi Li , Hongyu Zhang , Zhi jin , Ge Li , Hong Liu , Chen Lyu , Songlin Hu

This paper studies the integration off Large Language Models into cybersecurity tools and protocols. The main issue discussed in this paper is how traditional rule-based and signature based security systems are not enough to deal with…

Cryptography and Security · Computer Science 2025-11-07 Raunak Somani , Aswani Kumar Cherukuri

The Resource Public Key Infrastructure (RPKI) secures the Internet's routing system by defining a complex trust and validation framework for certificates, Route Origin Authorizations (ROAs), manifests, and Certificate Revocation Lists…

Cryptography and Security · Computer Science 2026-05-27 Oliver Jacobsen , Tobias Kirsch , Haya Schulmann , Niklas Vogel , Michael Waidner

The adoption of Large Language Models (LLMs) for automated software vulnerability patching has shown promising outcomes on carefully curated evaluation sets. Nevertheless, existing datasets predominantly rely on superficial validation…

Software Engineering · Computer Science 2025-09-04 Weizhe Wang , Wei Ma , Qiang Hu , Yao Zhang , Jianfei Sun , Bin Wu , Yang Liu , Guangquan Xu , Lingxiao Jiang

Identifying vulnerabilities in source code is crucial, especially in critical software components. Existing methods such as static analysis, dynamic analysis, formal verification, and recently Large Language Models are widely used to detect…

Small language models (SLMs) have emerged as promising alternatives to large language models (LLMs) due to their low computational demands, enhanced privacy guarantees and comparable performance in specific domains through light-weight…

Cryptography and Security · Computer Science 2025-03-11 Wenhui Zhang , Huiyu Xu , Zhibo Wang , Zeqing He , Ziqi Zhu , Kui Ren

We propose and release a new vulnerable source code dataset. We curate the dataset by crawling security issue websites, extracting vulnerability-fixing commits and source codes from the corresponding projects. Our new dataset contains…

Cryptography and Security · Computer Science 2023-08-10 Yizheng Chen , Zhoujie Ding , Lamya Alowain , Xinyun Chen , David Wagner

Large language models (LLMs) are widely used in software development. However, the code generated by LLMs often contains vulnerabilities. Several secure code generation methods have been proposed to address this issue, but their current…

Cryptography and Security · Computer Science 2025-11-14 Shih-Chieh Dai , Jun Xu , Guanhong Tao

Large language models (LLMs) are being increasingly integrated into practical hardware and firmware development pipelines for code generation. Existing studies have primarily focused on evaluating the functional correctness of LLM-generated…

Cryptography and Security · Computer Science 2026-01-21 Qirui Chen , Jingxian Shuai , Shuangwu Chen , Shenghao Ye , Zijian Wen , Xufei Su , Jie Jin , Jiangming Li , Jun Chen , Xiaobin Tan , Jian Yang

Large language models (LLMs) have demonstrated significant potential in various tasks, including those requiring human-level intelligence, such as vulnerability detection. However, recent efforts to use LLMs for vulnerability detection…

Cryptography and Security · Computer Science 2025-06-10 Yuqiang Sun , Daoyuan Wu , Yue Xue , Han Liu , Wei Ma , Lyuye Zhang , Yang Liu , Yingjiu Li

With the recent advancement of Large Language Models (LLMs), generating functionally correct code has become less complicated for a wide array of developers. While using LLMs has sped up the functional development process, it poses a heavy…

Cryptography and Security · Computer Science 2024-02-01 Nafis Tanveer Islam , Mohammad Bahrami Karkevandi , Peyman Najafirad

The rapid advancement of pre-trained language models (PLMs) has demonstrated promising results for various code-related tasks. However, their effectiveness in detecting real-world vulnerabilities remains a critical challenge. While existing…

Cryptography and Security · Computer Science 2025-11-25 Youpeng Li , Weiliang Qi , Xuyu Wang , Fuxun Yu , Xinda Wang

Large Language Models (LLMs) are acquiring a wider range of capabilities, including understanding and responding in multiple languages. While they undergo safety training to prevent them from answering illegal questions, imbalances in…

Computation and Language · Computer Science 2025-03-18 Likai Tang , Niruth Bogahawatta , Yasod Ginige , Jiarui Xu , Shixuan Sun , Surangika Ranathunga , Suranga Seneviratne

Coding agents, which are LLM-driven agents specialized in software development, have become increasingly prevalent in modern programming environments. Unlike traditional AI coding assistants, which offer simple code completion and…

Cryptography and Security · Computer Science 2025-09-30 Eunkyu Lee , Donghyeon Kim , Wonyoung Kim , Insu Yun

Remote Code Execution (RCE) exploits pose a significant threat to AI and ML systems, particularly in GPU-accelerated environments where the computational power of GPUs can be misused for malicious purposes. This paper focuses on RCE attacks…

Cryptography and Security · Computer Science 2025-02-18 Ariel Szabo , Uzy Hadad

The integration of Large Language Models (LLMs) and Multi-modal Large Language Models (MLLMs) into mobile GUI agents has significantly enhanced user efficiency and experience. However, this advancement also introduces potential security…

Cryptography and Security · Computer Science 2025-03-18 Yulong Yang , Xinshan Yang , Shuaidong Li , Chenhao Lin , Zhengyu Zhao , Chao Shen , Tianwei Zhang

Dead code introduces several challenges in software development, such as increased binary size and maintenance difficulties. It can also obscure logical errors and be exploited for obfuscation in malware. For LLM-based code-related tasks,…

Software Engineering · Computer Science 2025-06-16 Minyu Chen , Guoqiang Li , Ling-I Wu , Ruibang Liu

A prompt injection attack aims to inject malicious instruction/data into the input of an LLM-Integrated Application such that it produces results as an attacker desires. Existing works are limited to case studies. As a result, the…

Cryptography and Security · Computer Science 2025-11-13 Yupei Liu , Yuqi Jia , Runpeng Geng , Jinyuan Jia , Neil Zhenqiang Gong