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20242026
most citedWatch Out for Your Guidance on Generation! Exploring Conditional Backdoor Attacks against Large Language Models

3 citations · 7 across the 29 of their papers we have counts for

collaborators

29 papers

cs.SD2026

ARENA: Automated Red-Teaming for Large Audio Language Models

Jiaming He, Zhicong Huang, Tian Jin +5

Large audio-language models (LALMs) make it possible to interact with language models through speech, music, and environmental sound, but they also introduce a safety surface that…

cs.CR2026

Trigger the Straggler: Load Hijack on Mixture-of-Experts LLMs

Rui Zhang, Wenbo Jiang, Hongwei Li +4

Expert parallelism (EP) is a common strategy for serving large Mixture-of-Experts (MoE) models across multiple GPUs by distributing experts among devices. Router decisions then det…

cs.CR2026

EvoTrustRAG: Evolution-Aware Conflict Attribution and Evidence Handling for Reliable Retrieval-Augmented Generation

Xi Nie, Hongwei Li, Shenghao Wu +3

Retrieval-Augmented Generation (RAG) improves the factuality of large language models with external knowledge, yet conflicting evidence remains a fundamental challenge in dynamic a…

cs.CR2026

InkShield: Writing Style Protection Against Unauthorized Handwriting Mimicry

Jian Xiong, Wenbo Jiang, Zihan Wang +4

Recent handwritten text generators can reproduce a writer's style from publicly available references, posing risks of document forgery and identity misuse. An attacker may use a pu…

cs.CR2026

When Poison Fails After Retrieval: Revisiting Corpus Poisoning under Chunking and Reranking Pipelines

Xi Nie, Hongwei Li, Shenghao Wu +3

Retrieval-Augmented Generation (RAG) systems are vulnerable to corpus poisoning attacks that manipulate downstream model outputs through malicious knowledge injection. Existing stu…

cs.CR2026

The Art of (Mis)alignment: How Fine-Tuning Methods Effectively Misalign and Realign LLMs in Post-Training

Rui Zhang, Hongwei Li, Yun Shen +6

The deployment of large language models (LLMs) raises significant ethical and safety concerns. While LLM alignment techniques are adopted to improve model safety and trustworthines…

cs.LG2026

UTOPIA: Unlearnable Tabular Data via Decoupled Shortcut Embedding

Jiaming He, Fuming Luo, Hongwei Li +5

Unlearnable examples (UE) have emerged as a practical mechanism to prevent unauthorized model training on private vision data, while extending this protection to tabular data is no…

cs.CR2026

BadTemplate: A Training-Free Backdoor Attack via Chat Template Against Large Language Models

Zihan Wang, Hongwei Li, Rui Zhang +2

Chat template is a common technique used in the training and inference stages of Large Language Models (LLMs). It can transform input and output data into role-based and templated…

cs.CR2026

Semantic-level Backdoor Attack against Text-to-Image Diffusion Models

Tianxin Chen, Wenbo Jiang, Hongqiao Chen +2

Text-to-image (T2I) diffusion models are widely adopted for their strong generative capabilities, yet remain vulnerable to backdoor attacks. Existing attacks typically rely on fixe…

cs.CR2026

State Backdoor: Towards Stealthy Real-world Poisoning Attack on Vision-Language-Action Model in State Space

Ji Guo, Wenbo Jiang, Yansong Lin +6

Vision-Language-Action (VLA) models are widely deployed in safety-critical embodied AI applications such as robotics. However, their complex multimodal interactions also expose new…

cs.CV2025

TEAR: Temporal-aware Automated Red-teaming for Text-to-Video Models

Jiaming He, Guanyu Hou, Hongwei Li +6

Text-to-Video (T2V) models are capable of synthesizing high-quality, temporally coherent dynamic video content, but the diverse generation also inherently introduces critical safet…

cs.CR2025

Hidden Tail: Adversarial Image Causing Stealthy Resource Consumption in Vision-Language Models

Rui Zhang, Zihan Wang, Tianli Yang +5

Vision-Language Models (VLMs) are increasingly deployed in real-world applications, but their high inference cost makes them vulnerable to resource consumption attacks. Prior attac…

cs.CR2025

ConfGuard: A Simple and Effective Backdoor Detection for Large Language Models

Zihan Wang, Rui Zhang, Hongwei Li +4

Backdoor attacks pose a significant threat to Large Language Models (LLMs), where adversaries can embed hidden triggers to manipulate LLM's outputs. Most existing defense methods,…

cs.CV2025

BadSR: Stealthy Label Backdoor Attacks on Image Super-Resolution

Ji Guo, Xiaolei Wen, Wenbo Jiang +3

With the widespread application of super-resolution (SR) in various fields, researchers have begun to investigate its security. Previous studies have demonstrated that SR models ca…

cs.CR2025

The Ripple Effect: On Unforeseen Complications of Backdoor Attacks

Rui Zhang, Yun Shen, Hongwei Li +5

Recent research highlights concerns about the trustworthiness of third-party Pre-Trained Language Models (PTLMs) due to potential backdoor attacks. These backdoored PTLMs, however,…

cs.CR2025

BadLingual: A Novel Lingual-Backdoor Attack against Large Language Models

Zihan Wang, Hongwei Li, Rui Zhang +5

In this paper, we present a new form of backdoor attack against Large Language Models (LLMs): lingual-backdoor attacks. The key novelty of lingual-backdoor attacks is that the lang…

cs.CR2025★ 1 cited

MPMA: Preference Manipulation Attack Against Model Context Protocol

Zihan Wang, Rui Zhang, Yu Liu +5

Model Context Protocol (MCP) standardizes interface mapping for large language models (LLMs) to access external data and tools, which revolutionizes the paradigm of tool selection…

cs.CV2025

BadRefSR: Backdoor Attacks Against Reference-based Image Super Resolution

Xue Yang, Tao Chen, Lei Guo +4

Reference-based image super-resolution (RefSR) represents a promising advancement in super-resolution (SR). In contrast to single-image super-resolution (SISR), RefSR leverages an…

cs.CV2025

DivTrackee versus DynTracker: Promoting Diversity in Anti-Facial Recognition against Dynamic FR Strategy

Wenshu Fan, Minxing Zhang, Hongwei Li +5

The widespread adoption of facial recognition (FR) models raises serious concerns about their potential misuse, motivating the development of anti-facial recognition (AFR) to prote…

cs.CR2024

Combinational Backdoor Attack against Customized Text-to-Image Models

Wenbo Jiang, Jiaming He, Hongwei Li +6

Recently, Text-to-Image (T2I) synthesis technology has made tremendous strides. Numerous representative T2I models have emerged and achieved promising application outcomes, such as…

cs.CV2024

Backdoor Attack Against Vision Transformers via Attention Gradient-Based Image Erosion

Ji Guo, Hongwei Li, Wenbo Jiang +1

Vision Transformers (ViTs) have outperformed traditional Convolutional Neural Networks (CNN) across various computer vision tasks. However, akin to CNN, ViTs are vulnerable to back…

cs.CV2024

One Prompt to Verify Your Models: Black-Box Text-to-Image Models Verification via Non-Transferable Adversarial Attacks

Ji Guo, Wenbo Jiang, Rui Zhang +2

Recently, various types of Text-to-Image (T2I) models have emerged (such as DALL-E and Stable Diffusion), and showing their advantages in different aspects. Therefore, some third-p…

cs.CR2024

OnePath: Efficient and Privacy-Preserving Decision Tree Inference in the Cloud

Shuai Yuan, Hongwei Li, Xinyuan Qian +1

The vast storage capacity and computational power of cloud servers have led to the widespread outsourcing of machine learning inference services. While offering significant operati…

cs.CV2024★ 1 cited

The Fluorescent Veil: A Stealthy and Effective Physical Adversarial Patch Against Traffic Sign Recognition

Shuai Yuan, Xingshuo Han, Hongwei Li +5

Recently, traffic sign recognition (TSR) systems have become a prominent target for physical adversarial attacks. These attacks typically rely on conspicuous stickers and projectio…