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Large Language Models (LLMs) are progressively being utilized as machine learning services and interface tools for various applications. However, the security implications of LLMs, particularly in relation to adversarial and Trojan attacks,…

Cryptography and Security · Computer Science 2023-11-01 Jiaqi Xue , Mengxin Zheng , Ting Hua , Yilin Shen , Yepeng Liu , Ladislau Boloni , Qian Lou

The integration of Large Language Models (LLMs) like GPT-4o into robotic systems represents a significant advancement in embodied artificial intelligence. These models can process multi-modal prompts, enabling them to generate more…

Robotics · Computer Science 2024-09-10 Wenxiao Zhang , Xiangrui Kong , Conan Dewitt , Thomas Braunl , Jin B. Hong

Preference learning is a central component for aligning current LLMs, but this process can be vulnerable to data poisoning attacks. To address this concern, we introduce PoisonBench, a benchmark for evaluating large language models'…

Cryptography and Security · Computer Science 2025-06-09 Tingchen Fu , Mrinank Sharma , Philip Torr , Shay B. Cohen , David Krueger , Fazl Barez

Crash detection from video feeds is a critical problem in intelligent transportation systems. Recent developments in large language models (LLMs) and vision-language models (VLMs) have transformed how we process, reason about, and summarize…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Sanjeda Akter , Ibne Farabi Shihab , Anuj Sharma

Large Vision-Language Models (LVLMs) have made significant strides in multimodal comprehension, thanks to extensive pre-training and fine-tuning on large-scale visual datasets. However, despite their robust textual safety mechanisms, they…

Computation and Language · Computer Science 2025-03-04 Wei Zhao , Zhe Li , Yige Li , Jun Sun

Vision-Language Models (VLMs) excel in generating textual responses from visual inputs, but their versatility raises security concerns. This study takes the first step in exposing VLMs' susceptibility to data poisoning attacks that can…

Cryptography and Security · Computer Science 2024-10-15 Yuancheng Xu , Jiarui Yao , Manli Shu , Yanchao Sun , Zichu Wu , Ning Yu , Tom Goldstein , Furong Huang

The impressive achievements of generative models in creating high-quality videos have raised concerns about digital integrity and privacy vulnerabilities. Recent works of AI-generated content detection have been widely studied in the image…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Qingyuan Liu , Yun-Yun Tsai , Ruijian Zha , Victoria Li , Pengyuan Shi , Chengzhi Mao , Junfeng Yang

The pre-training of large language models (LLMs) relies on massive text datasets sourced from diverse and difficult-to-curate origins. Although membership inference attacks and hidden canaries have been explored to trace data usage, such…

Cryptography and Security · Computer Science 2025-06-19 Wassim Bouaziz , Mathurin Videau , Nicolas Usunier , El-Mahdi El-Mhamdi

The recent development of Video-based Large Language Models (VideoLLMs), has significantly advanced video summarization by aligning video features and, in some cases, audio features with Large Language Models (LLMs). Each of these VideoLLMs…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Kuan-Chen Mu , Zhi-Yi Chin , Wei-Chen Chiu

Text-to-Image (T2I) models have made remarkable progress in generating images from text prompts, but their output quality and safety still depend heavily on how prompts are phrased. Existing safety methods typically refine prompts using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Jinwoo Jeon , JunHyeok Oh , Hayeong Lee , Byung-Jun Lee

Large language models are pre-trained on uncurated text datasets consisting of trillions of tokens scraped from the Web. Prior work has shown that: (1) web-scraped pre-training datasets can be practically poisoned by malicious actors; and…

Cryptography and Security · Computer Science 2024-10-18 Yiming Zhang , Javier Rando , Ivan Evtimov , Jianfeng Chi , Eric Michael Smith , Nicholas Carlini , Florian Tramèr , Daphne Ippolito

The emergence of Vision Language Models (VLMs) is a significant advancement in integrating computer vision with Large Language Models (LLMs) to produce detailed text descriptions based on visual inputs, yet it introduces new security…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Weimin Lyu , Lu Pang , Tengfei Ma , Haibin Ling , Chao Chen

Large language models (LLMs) like ChatGPT and Gemini have significantly advanced natural language processing, enabling various applications such as chatbots and automated content generation. However, these models can be exploited by…

Cryptography and Security · Computer Science 2025-09-03 Yi Liu , Junzhe Yu , Huijia Sun , Ling Shi , Gelei Deng , Yuqi Chen , Yang Liu

Vision-language models (VLMs) are essential for contextual understanding of both visual and textual information. However, their vulnerability to adversarially manipulated inputs presents significant risks, leading to compromised outputs and…

Machine Learning · Computer Science 2024-10-02 Xuefeng Du , Reshmi Ghosh , Robert Sim , Ahmed Salem , Vitor Carvalho , Emily Lawton , Yixuan Li , Jack W. Stokes

Vision-Language Models (VLMs) often suffer from hallucination, partly due to challenges in aligning multimodal information. We propose Prompt-in-Image, a simple method that embeds textual instructions directly into images. This removes the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhaochen Wang , Yiwei Wang , Yujun Cai

Medical vision-language models (Med-VLMs) trained on large datasets of medical image-text pairs and later fine-tuned for specific tasks have emerged as a mainstream paradigm in medical image analysis. However, recent studies have…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Noor Hussein , Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

Recent advances in large language models (LLMs) have led to their extensive global deployment, and ensuring their safety calls for comprehensive and multilingual toxicity evaluations. However, existing toxicity benchmarks are overwhelmingly…

Computation and Language · Computer Science 2024-08-13 Devansh Jain , Priyanshu Kumar , Samuel Gehman , Xuhui Zhou , Thomas Hartvigsen , Maarten Sap

Large Language Models (LLMs) are increasingly deployed via third-party system prompts downloaded from public marketplaces. We identify a critical supply-chain vulnerability: conditional system prompt poisoning, where an adversary injects a…

Cryptography and Security · Computer Science 2026-04-28 Viet Pham , Thai Le

Text-to-video models have made remarkable advancements through optimization on high-quality text-video pairs, where the textual prompts play a pivotal role in determining quality of output videos. However, achieving the desired output often…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Yatai Ji , Jiacheng Zhang , Jie Wu , Shilong Zhang , Shoufa Chen , Chongjian GE , Peize Sun , Weifeng Chen , Wenqi Shao , Xuefeng Xiao , Weilin Huang , Ping Luo

Large Language Models (LLMs) have gained widespread popularity due to their ability to perform ad-hoc Natural Language Processing (NLP) tasks with a simple natural language prompt. Part of the appeal for LLMs is their approachability to the…

Human-Computer Interaction · Computer Science 2025-02-25 Aditi Mishra , Utkarsh Soni , Anjana Arunkumar , Jinbin Huang , Bum Chul Kwon , Chris Bryan