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In the realm of large vision language models (LVLMs), jailbreak attacks serve as a red-teaming approach to bypass guardrails and uncover safety implications. Existing jailbreaks predominantly focus on the visual modality, perturbing solely…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Zonghao Ying , Aishan Liu , Tianyuan Zhang , Zhengmin Yu , Siyuan Liang , Xianglong Liu , Dacheng Tao

The proliferation of powerful Text-to-Video (T2V) models, trained on massive web-scale datasets, raises urgent concerns about copyright and privacy violations. Membership inference attacks (MIAs) provide a principled tool for auditing such…

密码学与安全 · 计算机科学 2026-01-19 Li Wang , Wenyu Chen , Ning Yu , Zheng Li , Shanqing Guo

As Large Language Models (LLMs) are widely used, understanding them systematically is key to improving their safety and realizing their full potential. Although many models are aligned using techniques such as reinforcement learning from…

机器学习 · 计算机科学 2025-05-16 Sajib Biswas , Mao Nishino , Samuel Jacob Chacko , Xiuwen Liu

Large language models (LLMs) have achieved remarkable success across diverse applications but remain vulnerable to jailbreak attacks, where attackers craft prompts that bypass safety alignment and elicit unsafe responses. Among existing…

计算与语言 · 计算机科学 2026-03-04 Zhi Xu , Jiaqi Li , Xiaotong Zhang , Hong Yu , Han Liu

Recent progress in video generative models has enabled the creation of high-quality videos from multimodal prompts that combine text and images. While these systems offer enhanced controllability, they also introduce new safety risks, as…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Ruize Ma , Minghong Cai , Yilei Jiang , Jiaming Han , Yi Feng , Yingshui Tan , Xiaoyong Zhu , Bo Zhang , Bo Zheng , Xiangyu Yue

Comprehensive and constructive evaluation protocols play an important role in the development of sophisticated text-to-video (T2V) generation models. Existing evaluation protocols primarily focus on temporal consistency and content…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Mingxiang Liao , Hannan Lu , Xinyu Zhang , Fang Wan , Tianyu Wang , Yuzhong Zhao , Wangmeng Zuo , Qixiang Ye , Jingdong Wang

Text-to-Image (T2I) models have achieved remarkable success in generating visual content from text inputs. Although multiple safety alignment strategies have been proposed to prevent harmful outputs, they often lead to overly cautious…

机器学习 · 计算机科学 2025-10-28 Ziheng Cheng , Yixiao Huang , Hui Xu , Somayeh Sojoudi , Xuandong Zhao , Dawn Song , Song Mei

Text-to-Image (T2I) models have advanced significantly, but their growing popularity raises security concerns due to their potential to generate harmful images. To address these issues, we propose UPAM, a novel framework to evaluate the…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Duo Peng , Qiuhong Ke , Mark He Huang , Ping Hu , Jun Liu

Identity-preserving text-to-video (IPT2V) generation, which aims to create high-fidelity videos with consistent human identity, has become crucial for downstream applications. However, current end-to-end frameworks suffer a critical…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yuji Wang , Moran Li , Xiaobin Hu , Ran Yi , Jiangning Zhang , Han Feng , Weijian Cao , Yabiao Wang , Chengjie Wang , Lizhuang Ma

The advancement of Pre-Trained Language Models (PTLMs) and Large Language Models (LLMs) has led to their widespread adoption across diverse applications. Despite their success, these models remain vulnerable to attacks that exploit their…

计算与语言 · 计算机科学 2025-06-30 Mohamed Ahmed , Mohamed Abdelmouty , Mingyu Kim , Gunvanth Kandula , Alex Park , James C. Davis

Despite the impressive synthesis quality of text-to-image (T2I) diffusion models, their black-box deployment poses significant regulatory challenges: Malicious actors can fine-tune these models to generate illegal content, circumventing…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Zhuomeng Zhang , Fangqi Li , Chong Di , Hongyu Zhu , Hanyi Wang , Shilin Wang

Text-to-image (T2I) diffusion models have the ability to build high-quality pictures from text prompts, but they pose safety concerns because they can generate offensive or disturbing imagery when provided with harmful inputs. Existing…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Chi Zhang , Changjia Zhu , Xiaowen Li , Yao Liu , Zhuo Lu

Text-to-video (T2V) generation has been recently enabled by transformer-based diffusion models, but current T2V models lack capabilities in adhering to the real-world common knowledge and physical rules, due to their limited understanding…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Qiyao Xue , Xiangyu Yin , Boyuan Yang , Wei Gao

We investigate a general approach for improving user prompts in text-to-image (T2I) diffusion models by finding prompts that maximize a reward function specified at test-time. Although diverse reward models are used for evaluating image…

机器学习 · 计算机科学 2025-09-30 Semin Kim , Yeonwoo Cha , Jaehoon Yoo , Seunghoon Hong

As large language models (LLMs) are increasingly deployed in critical applications, ensuring their robustness and safety alignment remains a major challenge. Despite the overall success of alignment techniques such as reinforcement learning…

机器学习 · 计算机科学 2025-08-21 Sajib Biswas , Mao Nishino , Samuel Jacob Chacko , Xiuwen Liu

Large Language Models (LLMs) aligned with human feedback have recently garnered significant attention. However, it remains vulnerable to jailbreak attacks, where adversaries manipulate prompts to induce harmful outputs. Exploring jailbreak…

密码学与安全 · 计算机科学 2024-12-23 Hongyi Li , Jiawei Ye , Jie Wu , Tianjie Yan , Chu Wang , Zhixin Li

Large Language Models (LLMs) have demonstrated exceptional capabilities across various natural language processing tasks. Due to their training on internet-sourced datasets, LLMs can sometimes generate objectionable content, necessitating…

计算与语言 · 计算机科学 2024-11-15 Leyang Hu , Boran Wang

Thanks to the development of cross-modal models, text-to-video retrieval (T2VR) is advancing rapidly, but its robustness remains largely unexamined. Existing attacks against T2VR are designed to push videos away from queries, i.e.,…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Qiwei Tian , Chenhao Lin , Zhengyu Zhao , Qian Li , Shuai Liu , Chao Shen

Although safely enhanced Large Language Models (LLMs) have achieved remarkable success in tackling various complex tasks in a zero-shot manner, they remain susceptible to jailbreak attacks, particularly the unknown jailbreak attack. To…

计算与语言 · 计算机科学 2024-06-12 Fan Liu , Zhao Xu , Hao Liu

Current text-to-image (T2I) synthesis diffusion models raise misuse concerns, particularly in creating prohibited or not-safe-for-work (NSFW) images. To address this, various safety mechanisms and red teaming attack methods are proposed to…

密码学与安全 · 计算机科学 2025-02-07 Pucheng Dang , Xing Hu , Dong Li , Rui Zhang , Qi Guo , Kaidi Xu