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Large Language Models (LLMs) have transformed task automation and content generation across various domains while incorporating safety filters to prevent misuse. We introduce a novel jailbreaking framework that employs distributed prompt…

Cryptography and Security · Computer Science 2025-04-01 Johan Wahréus , Ahmed Hussain , Panos Papadimitratos

Multimodal large language models (MLLMs) are widely used in vision-language reasoning tasks. However, their vulnerability to adversarial prompts remains a serious concern, as safety mechanisms often fail to prevent the generation of harmful…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Zuoou Li , Weitong Zhang , Jingyuan Wang , Shuyuan Zhang , Wenjia Bai , Bernhard Kainz , Mengyun Qiao

Multi-turn jailbreaks exploit the ability of large language models to accumulate and act on conversational context. Instead of stating a harmful request directly, an attacker can gradually steer the conversation toward an unsafe answer.…

Cryptography and Security · Computer Science 2026-05-13 Xinkai Zhang , Zhipeng Wei , Huanli Gong , Jing Ting Zheng , Yuchen Zhang , Yue Dong , N. Benjamin Erichson

Jailbreak attacks represent one of the most sophisticated threats to the security of large language models (LLMs). To deal with such risks, we introduce an innovative framework that can help evaluate the effectiveness of jailbreak attacks…

Computation and Language · Computer Science 2025-03-19 Dong Shu , Chong Zhang , Mingyu Jin , Zihao Zhou , Lingyao Li , Yongfeng Zhang

Recent advances in text-to-image (T2I) generation have achieved impressive results, yet existing models often struggle with simple or underspecified prompts, leading to suboptimal image-text alignment, aesthetics, and quality. We propose a…

Computation and Language · Computer Science 2025-10-16 Ruibo Chen , Jiacheng Pan , Heng Huang , Zhenheng Yang

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

Despite rapid advancements in text-to-image (T2I) models, their safety mechanisms are vulnerable to adversarial prompts, which maliciously generate unsafe images. Current red-teaming methods for proactively assessing such vulnerabilities…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Yufan Liu , Wanqian Zhang , Huashan Chen , Lin Wang , Xiaojun Jia , Zheng Lin , Weiping Wang

Flow matching models (FMs) have revolutionized text-to-image (T2I) generation, with reinforcement learning (RL) serving as a critical post-training strategy for alignment with reward objectives. In this research, we show that current RL…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Fu-Yun Wang , Han Zhang , Michael Gharbi , Hongsheng Li , Taesung Park

In this paper, we focus on enhancing a diffusion-based text-to-video (T2V) model during the post-training phase by distilling a highly capable consistency model from a pretrained T2V model. Our proposed method, T2V-Turbo-v2, introduces a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Jiachen Li , Qian Long , Jian Zheng , Xiaofeng Gao , Robinson Piramuthu , Wenhu Chen , William Yang Wang

Recent advances in text-to-video (T2V) technology, as demonstrated by models such as Runway Gen-3, Pika, Sora, and Kling, have significantly broadened the applicability and popularity of the technology. This progress has created a growing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Zelu Qi , Ping Shi , Shuqi Wang , Chaoyang Zhang , Fei Zhao , Zefeng Ying , Da Pan , Xi Yang , Zheqi He , Teng Dai

Recent advances in text-to-image generative models have raised concerns about their potential to produce harmful content when provided with malicious input text prompts. To address this issue, two main approaches have emerged: (1)…

Machine Learning · Computer Science 2025-11-13 Jiwoo Shin , Byeonghu Na , Mina Kang , Wonhyeok Choi , Il-Chul Moon

Recently, Large Language Models (LLMs) have garnered significant attention for their exceptional natural language processing capabilities. However, concerns about their trustworthiness remain unresolved, particularly in addressing…

Computation and Language · Computer Science 2025-01-29 Yue Huang , Jingyu Tang , Dongping Chen , Bingda Tang , Yao Wan , Lichao Sun , Philip S. Yu , Xiangliang Zhang

In recent years, text-to-image (T2I) diffusion models have gained significant attention for their ability to generate high quality images reflecting text prompts. However, their growing popularity has also led to the emergence of backdoor…

Cryptography and Security · Computer Science 2025-08-05 Shengfang Zhai , Jiajun Li , Yue Liu , Huanran Chen , Zhihua Tian , Wenjie Qu , Qingni Shen , Ruoxi Jia , Yinpeng Dong , Jiaheng Zhang

Advances in diffusion-based video generation models, while significantly improving human animation, poses threats of misuse through the creation of fake videos from a specific person's photo and text prompts. Recent efforts have focused on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Duc Vu , Anh Nguyen , Chi Tran , Anh Tran

Automatic adversarial prompt generation provides remarkable success in jailbreaking safely-aligned large language models (LLMs). Existing gradient-based attacks, while demonstrating outstanding performance in jailbreaking white-box LLMs,…

Machine Learning · Computer Science 2025-01-22 Qizhang Li , Xiaochen Yang , Wangmeng Zuo , Yiwen Guo

We present Step-Video-T2V, a state-of-the-art text-to-video pre-trained model with 30B parameters and the ability to generate videos up to 204 frames in length. A deep compression Variational Autoencoder, Video-VAE, is designed for video…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Guoqing Ma , Haoyang Huang , Kun Yan , Liangyu Chen , Nan Duan , Shengming Yin , Changyi Wan , Ranchen Ming , Xiaoniu Song , Xing Chen , Yu Zhou , Deshan Sun , Deyu Zhou , Jian Zhou , Kaijun Tan , Kang An , Mei Chen , Wei Ji , Qiling Wu , Wen Sun , Xin Han , Yanan Wei , Zheng Ge , Aojie Li , Bin Wang , Bizhu Huang , Bo Wang , Brian Li , Changxing Miao , Chen Xu , Chenfei Wu , Chenguang Yu , Dapeng Shi , Dingyuan Hu , Enle Liu , Gang Yu , Ge Yang , Guanzhe Huang , Gulin Yan , Haiyang Feng , Hao Nie , Haonan Jia , Hanpeng Hu , Hanqi Chen , Haolong Yan , Heng Wang , Hongcheng Guo , Huilin Xiong , Huixin Xiong , Jiahao Gong , Jianchang Wu , Jiaoren Wu , Jie Wu , Jie Yang , Jiashuai Liu , Jiashuo Li , Jingyang Zhang , Junjing Guo , Junzhe Lin , Kaixiang Li , Lei Liu , Lei Xia , Liang Zhao , Liguo Tan , Liwen Huang , Liying Shi , Ming Li , Mingliang Li , Muhua Cheng , Na Wang , Qiaohui Chen , Qinglin He , Qiuyan Liang , Quan Sun , Ran Sun , Rui Wang , Shaoliang Pang , Shiliang Yang , Sitong Liu , Siqi Liu , Shuli Gao , Tiancheng Cao , Tianyu Wang , Weipeng Ming , Wenqing He , Xu Zhao , Xuelin Zhang , Xianfang Zeng , Xiaojia Liu , Xuan Yang , Yaqi Dai , Yanbo Yu , Yang Li , Yineng Deng , Yingming Wang , Yilei Wang , Yuanwei Lu , Yu Chen , Yu Luo , Yuchu Luo , Yuhe Yin , Yuheng Feng , Yuxiang Yang , Zecheng Tang , Zekai Zhang , Zidong Yang , Binxing Jiao , Jiansheng Chen , Jing Li , Shuchang Zhou , Xiangyu Zhang , Xinhao Zhang , Yibo Zhu , Heung-Yeung Shum , Daxin Jiang

Large language models (LLMs), such as ChatGPT, have emerged with astonishing capabilities approaching artificial general intelligence. While providing convenience for various societal needs, LLMs have also lowered the cost of generating…

Computation and Language · Computer Science 2023-08-28 Zhenhua Wang , Wei Xie , Kai Chen , Baosheng Wang , Zhiwen Gui , Enze Wang

The safety alignment of Large Language Models (LLMs) is vulnerable to both manual and automated jailbreak attacks, which adversarially trigger LLMs to output harmful content. However, current methods for jailbreaking LLMs, which nest entire…

Cryptography and Security · Computer Science 2024-11-13 Xirui Li , Ruochen Wang , Minhao Cheng , Tianyi Zhou , Cho-Jui Hsieh

Multimodal large language models (MLLMs) enable powerful cross-modal reasoning capabilities. However, the expanded input space introduces new attack surfaces. Previous jailbreak attacks often inject malicious instructions from text into…

Machine Learning · Computer Science 2025-05-23 Zhaoxin Wang , Handing Wang , Cong Tian , Yaochu Jin

Recent advances in image-to-video (I2V) generation have achieved remarkable progress in synthesizing high-quality, temporally coherent videos from static images. Among all the applications of I2V, human-centric video generation includes a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Liao Shen , Wentao Jiang , Yiran Zhu , Jiahe Li , Tiezheng Ge , Zhiguo Cao , Bo Zheng