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Existing LLM-based compiler fuzzers often produce syntactically or semantically invalid test programs, limiting their effectiveness in exercising compiler optimizations and backend components. We introduce ReFuzzer, a framework for refining…

Software Engineering · Computer Science 2025-09-02 Iti Shree , Karine Even-Mendoza , Tomasz Radzik

Despite prior safety alignment efforts, mainstream LLMs can still generate harmful and unethical content when subjected to jailbreaking attacks. Existing jailbreaking methods fall into two main categories: template-based and…

Artificial Intelligence · Computer Science 2025-04-03 Weipeng Jiang , Zhenting Wang , Juan Zhai , Shiqing Ma , Zhengyu Zhao , Chao Shen

Large Language Models (LLMs) remain vulnerable to jailbreak attempts that circumvent safety guardrails. We investigate whether multi-turn conversations using low-resource African languages (Afrikaans, Kiswahili, isiXhosa, and isiZulu) can…

Computation and Language · Computer Science 2026-05-19 Dylan Marx , Marcel Dunaiski

In recent years, the programming capabilities of large language models (LLMs) have garnered significant attention. Fuzz testing, a highly effective technique, plays a key role in enhancing software reliability and detecting vulnerabilities.…

Software Engineering · Computer Science 2024-12-23 Hanxiang Xu , Wei Ma , Ting Zhou , Yanjie Zhao , Kai Chen , Qiang Hu , Yang Liu , Haoyu Wang

Large language models (LLMs) remain vulnerable to jailbreak attacks that bypass safety alignment and elicit harmful responses. A growing body of work shows that contextual priming, where earlier turns covertly bias later replies,…

Computation and Language · Computer Science 2026-05-05 Mario Rodríguez Béjar , Francisco J. Cortés-Delgado , S. Braghin , Jose L. Hernández-Ramos

Fuzzing is a highly effective method for uncovering software vulnerabilities, but analyzing the resulting data typically requires substantial manual effort. This is amplified by the fact that fuzzing campaigns often find a large number of…

Software Engineering · Computer Science 2025-12-02 Patrick Herter , Vincent Ahlrichs , Ridvan Açilan , Julian Horsch

Large Language Models (LLMs) are vulnerable to jailbreaking attacks that lead to generation of inappropriate or harmful content. Manual red-teaming requires a time-consuming search for adversarial prompts, whereas automatic adversarial…

Cryptography and Security · Computer Science 2025-06-04 Anselm Paulus , Arman Zharmagambetov , Chuan Guo , Brandon Amos , Yuandong Tian

Large Language Models (LLMs) are susceptible to generating harmful content when prompted with carefully crafted inputs, a vulnerability known as LLM jailbreaking. As LLMs become more powerful, studying jailbreak methods is critical to…

Computation and Language · Computer Science 2025-01-07 Hao Wang , Hao Li , Junda Zhu , Xinyuan Wang , Chengwei Pan , MinLie Huang , Lei Sha

We introduce a modular prompting framework that supports safer and more adaptive use of large language models (LLMs) across dynamic, user-centered tasks. Grounded in human learning theory, particularly the Zone of Proximal Development…

Artificial Intelligence · Computer Science 2025-08-12 Vanessa Figueiredo

Despite the substantial advancements in artificial intelligence, large language models (LLMs) remain being challenged by generation safety. With adversarial jailbreaking prompts, one can effortlessly induce LLMs to output harmful content,…

Computation and Language · Computer Science 2025-02-18 Yuhao Du , Zhuo Li , Pengyu Cheng , Xiang Wan , Anningzhe Gao

Large Language Models (LLMs) are increasingly integrated into high-stakes applications, making robust safety guarantees a central practical and commercial concern. Existing safety evaluations predominantly rely on fixed collections of…

Computation and Language · Computer Science 2026-03-23 Zafir Shamsi , Nikhil Chekuru , Zachary Guzman , Shivank Garg

Large Language Models (LLMs) are redefining offensive cybersecurity by allowing the generation of harmful machine code with minimal human intervention. While attackers take advantage of dark LLMs such as XXXGPT and WolfGPT to produce…

Cryptography and Security · Computer Science 2026-04-14 Ricardo Bessa , Rui Claro , João Trindade , João Lourenço

While AI-coding assistants accelerate software development, current testing frameworks struggle to keep pace with the resulting volume of AI-generated code. Traditional fuzzing techniques often allocate resources uniformly and lack semantic…

Software Engineering · Computer Science 2026-02-13 Ziyi Yang , Kalit Inani , Keshav Kabra , Vima Gupta , Anand Padmanabha Iyer

Jailbreaking in Large Language Models (LLMs) threatens their safe use in sensitive domains like education by allowing users to bypass ethical safeguards. This study focuses on detecting jailbreaks in 2-Sigma, a clinical education platform…

Large language models (LLMs) have significantly enhanced the performance of numerous applications, from intelligent conversations to text generation. However, their inherent security vulnerabilities have become an increasingly significant…

Computation and Language · Computer Science 2024-08-12 Xiongtao Sun , Deyue Zhang , Dongdong Yang , Quanchen Zou , Hui Li

Large Language Models (LLMs) have become increasingly popular for their advanced text generation capabilities across various domains. However, like any software, they face security challenges, including the risk of 'jailbreak' attacks that…

Cryptography and Security · Computer Science 2024-01-31 Jie Li , Yi Liu , Chongyang Liu , Ling Shi , Xiaoning Ren , Yaowen Zheng , Yang Liu , Yinxing Xue

Jailbreaking is an emerging adversarial attack that bypasses the safety alignment deployed in off-the-shelf large language models (LLMs) and has evolved into multiple categories: human-based, optimization-based, generation-based, and the…

Cryptography and Security · Computer Science 2025-02-06 Xunguang Wang , Daoyuan Wu , Zhenlan Ji , Zongjie Li , Pingchuan Ma , Shuai Wang , Yingjiu Li , Yang Liu , Ning Liu , Juergen Rahmel

There is growing interest in ensuring that large language models (LLMs) align with human values. However, the alignment of such models is vulnerable to adversarial jailbreaks, which coax LLMs into overriding their safety guardrails. The…

Machine Learning · Computer Science 2024-07-22 Patrick Chao , Alexander Robey , Edgar Dobriban , Hamed Hassani , George J. Pappas , Eric Wong

We find that language models have difficulties generating fallacious and deceptive reasoning. When asked to generate deceptive outputs, language models tend to leak honest counterparts but believe them to be false. Exploiting this…

Computation and Language · Computer Science 2025-05-26 Yue Zhou , Henry Peng Zou , Barbara Di Eugenio , Yang Zhang

Large Language Models (LLMs) have demonstrated remarkable performance across diverse tasks. Nevertheless, they still pose notable safety risks due to potential misuse for malicious purposes. Jailbreaking, which seeks to induce models to…

Computation and Language · Computer Science 2025-09-30 Hua Tang , Lingyong Yan , Yukun Zhao , Shuaiqiang Wang , Jizhou Huang , Dawei Yin
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