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MLLM jailbreak vulnerability differs across languages and modalities

A new study reveals that the vulnerability of frontier multimodal large language models (MLLMs) to jailbreak attacks is significantly influenced by language and modality. Researchers found that while linguistic framing attacks were less effective in Spanish compared to English, visually explicit multimodal attacks became more potent. This suggests that alignment failures operate through distinct language- and modality-specific mechanisms, leading to different safety rankings across languages. The findings highlight the need for safety evaluation frameworks to account for these cross-lingual and cross-modal differences. AI

IMPACT Demonstrates that current safety evaluations may not generalize across languages, necessitating redesigned frameworks for global MLLM deployment.

RANK_REASON The cluster contains an academic paper detailing a novel research study on LLM safety.

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 5 sources. How we write summaries →

COVERAGE [5]

  1. arXiv cs.AI TIER_1 English(EN) · Seokil Ham, Jaehyuk Jang, Wonjun Lee, Changick Kim ·

    Jailbreak to Protect: Buffering and Reinforcing via Temporary Jailbreaking for Safe Fine-Tuning in Large Language Models

    arXiv:2605.24550v1 Announce Type: new Abstract: Fine-tuning-as-a-Service (FaaS) enables personalization of large language models (LLMs), but it can weaken safety-alignment under harmful fine-tuning attacks. Recent work has shown that activating harmful-behavior modules during fin…

  2. arXiv cs.AI TIER_1 English(EN) · Xiaodong Wu, Xiangman Li, Qi Li, Lingshuang Liu, Jianbing Ni ·

    SoK: A Comprehensive Security Analysis of Jailbreak Resilience in GPT and DeepSeek Models

    arXiv:2506.18543v2 Announce Type: replace-cross Abstract: The rapid proliferation of Large Language Models (LLMs) has heightened concerns regarding their exposure to jailbreak attacks, which craft adversarial inputs designed to elicit unsafe content. Although proprietary models s…

  3. arXiv cs.AI TIER_1 English(EN) · Mengqi He, Xinyu Tian, Xin Shen, Shu Zou, Jinhong Ni, Zhaoyuan Yang, Weikang Li, Xuesong Li, Jing Zhang ·

    Break the Brake, Not the Wheel: Untargeted Jailbreak via Entropy Maximization

    arXiv:2605.10764v2 Announce Type: replace-cross Abstract: Recent studies show that gradient-based universal image jailbreaks on vision-language models (VLMs) exhibit little or no cross-model transferability, casting doubt on the feasibility of transferable multimodal jailbreaks. …

  4. arXiv cs.CL TIER_1 English(EN) · Casey Ford, Madison Van Doren, Sicheng Jin, Emily Dix ·

    Same Model, Different Weakness: How Language and Modality Reshape the Jailbreak Attack Surface in Frontier MLLMs

    arXiv:2605.23157v1 Announce Type: new Abstract: The attack surface of a multimodal large language model (MLLM) is language-dependent in ways that reveal the mechanistic structure of alignment failures. We present the first systematic cross-lingual, multimodal red-teaming study co…

  5. arXiv cs.CL TIER_1 English(EN) · Emily Dix ·

    Same Model, Different Weakness: How Language and Modality Reshape the Jailbreak Attack Surface in Frontier MLLMs

    The attack surface of a multimodal large language model (MLLM) is language-dependent in ways that reveal the mechanistic structure of alignment failures. We present the first systematic cross-lingual, multimodal red-teaming study comparing jailbreak vulnerability in US English (e…