English
Related papers

Related papers: Universal Adversarial Attacks against Closed-Sourc…

200 papers

Multimodal large language models (MLLMs) remain vulnerable to transferable adversarial examples. While existing methods typically achieve targeted attacks by aligning global features-such as CLIP's [CLS] token-between adversarial and target…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Xiaojun Jia , Sensen Gao , Simeng Qin , Tianyu Pang , Chao Du , Yihao Huang , Xinfeng Li , Yiming Li , Bo Li , Yang Liu

Multimodal Large Language Models (MLLMs) have achieved remarkable performance across vision-language tasks. Recent advancements allow these models to process multiple images as inputs. However, the vulnerabilities of multi-image MLLMs…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Alvi Md Ishmam , Najibul Haque Sarker , Zaber Ibn Abdul Hakim , Chris Thomas

Multimodal Large Language Models (MLLMs), built upon LLMs, have recently gained attention for their capabilities in image recognition and understanding. However, while MLLMs are vulnerable to adversarial attacks, the transferability of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Chenhe Gu , Jindong Gu , Andong Hua , Yao Qin

Vision Large Language Models (VLLMs) are increasingly deployed to offer advanced capabilities on inputs comprising both text and images. While prior research has shown that adversarial attacks can transfer from open-source to proprietary…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Kai Hu , Weichen Yu , Li Zhang , Alexander Robey , Andy Zou , Chengming Xu , Haoqi Hu , Matt Fredrikson

Transfer-based targeted adversarial attacks against black-box deep neural networks (DNNs) have been proven to be significantly more challenging than untargeted ones. The impressive transferability of current SOTA, the generative methods,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Bowen Peng , Li Liu , Tianpeng Liu , Zhen Liu , Yongxiang Liu

Adversarial perturbations can mislead Multimodal Large Language Models (MLLMs) recognize a benign image as a specific target object, posing serious risks in safety-critical scenarios such as autonomous driving and medical diagnosis. This…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Haobo Wang , Xiaorong Ma , Weiqi Luo , Xiaojun Jia , Jiwu Huang

We introduce the Adversarial Confusion Attack, a new class of threats against multimodal large language models (MLLMs). Unlike jailbreaks or targeted misclassification, the goal is to induce systematic disruption that makes the model…

Computation and Language · Computer Science 2025-12-02 Jakub Hoscilowicz , Artur Janicki

The rapid progress of Multi-Modal Large Language Models (MLLMs) has significantly advanced downstream applications. However, this progress also exposes serious transferable adversarial vulnerabilities. In general, existing adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yuanbo Li , Tianyang Xu , Cong Hu , Tao Zhou , Xiao-Jun Wu , Josef Kittler

Black-box adversarial attacks on Large Vision-Language Models (LVLMs) are challenging due to missing gradients and complex multimodal boundaries. While prior state-of-the-art transfer-based approaches like M-Attack perform well using local…

Machine Learning · Computer Science 2026-02-20 Xiaohan Zhao , Zhaoyi Li , Yaxin Luo , Jiacheng Cui , Zhiqiang Shen

Multimodal large language models (MLLMs) remain vulnerable to transfer-based targeted attacks, where perturbations optimized on open-source surrogate encoders can generalize to closed-source MLLMs. A key challenge for improving adversarial…

Cryptography and Security · Computer Science 2026-05-22 Leitao Yuan , Qinghua Mao , Daizong Liu , Kun Wang , Wenjie Wang , Yan Teng , Jing Shao , Dongrui Liu

We propose a universal adversarial attack on multimodal Large Language Models (LLMs) that leverages a single optimized image to override alignment safeguards across diverse queries and even multiple models. By backpropagating through the…

Artificial Intelligence · Computer Science 2025-06-06 Temurbek Rahmatullaev , Polina Druzhinina , Nikita Kurdiukov , Matvey Mikhalchuk , Andrey Kuznetsov , Anton Razzhigaev

The growing misuse of Vision-Language Models (VLMs) has led providers to deploy multiple safeguards, including alignment tuning, system prompts, and content moderation. However, the real-world robustness of these defenses against…

Cryptography and Security · Computer Science 2025-11-21 Yijun Yang , Lichao Wang , Jianping Zhang , Chi Harold Liu , Lanqing Hong , Qiang Xu

Recent studies have shown that Deep Leaning models are susceptible to adversarial examples, which are data, in general images, intentionally modified to fool a machine learning classifier. In this paper, we present a multi-objective nested…

Machine Learning · Computer Science 2026-02-24 A. E. Baia , G. Di Bari , V. Poggioni

Fooling deep neural networks (DNNs) with the black-box optimization has become a popular adversarial attack fashion, as the structural prior knowledge of DNNs is always unknown. Nevertheless, recent black-box adversarial attacks may…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Jie Wang , Zhaoxia Yin , Jing Jiang , Yang Du

Transfer adversarial attack is a non-trivial black-box adversarial attack that aims to craft adversarial perturbations on the surrogate model and then apply such perturbations to the victim model. However, the transferability of…

Machine Learning · Computer Science 2021-12-14 Shuman Fang , Jie Li , Xianming Lin , Rongrong Ji

Multi-targeted adversarial attacks aim to mislead classifiers toward specific target classes using a single perturbation generator with a conditional input specifying the desired target class. Existing methods face two key limitations: (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Taïga Gonçalves , Tomo Miyazaki , Shinichiro Omachi

Vision-language pre-trained (VLP) models have been the foundation of numerous vision-language tasks. Given their prevalence, it becomes imperative to assess their adversarial robustness, especially when deploying them in security-crucial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-12 Peng-Fei Zhang , Zi Huang , Guangdong Bai

Large vision-language models (LVLMs) have demonstrated their incredible capability in image understanding and response generation. However, this rich visual interaction also makes LVLMs vulnerable to adversarial examples. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Xunguang Wang , Zhenlan Ji , Pingchuan Ma , Zongjie Li , Shuai Wang

Large Vision-Language Models (LVLMs) have transformed multi-modal understanding, excelling in tasks like image captioning and visual question answering by integrating visual and textual inputs. However, their robustness against adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Xiang Fang , Wanlong Fang , Changshuo Wang

Vision-language models (VLMs) extend large language models (LLMs) with vision encoders, enabling text generation conditioned on both images and text. However, this multimodal integration expands the attack surface by exposing the model to…

Machine Learning · Computer Science 2026-02-03 Kaiyuan Cui , Yige Li , Yutao Wu , Xingjun Ma , Sarah Erfani , Christopher Leckie , Hanxun Huang
‹ Prev 1 2 3 10 Next ›