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~ similar to 2605.18104v1· 20 results

cs.CVcs.AIcs.CRRecentMar 25, 2026

When Understanding Becomes a Risk: Authenticity and Safety Risks in the Emerging Image Generation Paradigm

Ye Leng, Junjie Chu, Mingjie Li, Chenhao Lin +4 more

The paper analyzes that while multimodal large language models (MLLMs) offer superior semantic understanding for image generation, this enhanced capability significantly increases safety risks, partic…

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cs.CRcs.AIcs.LGRecentApr 2, 2026

Understanding the Effects of Safety Unalignment on Large Language Models

John T. Halloran

This study compares two methods of safety unalignment (Jailbreak-Tuning and Weight Orthogonalization) across six LLMs and finds that Weight Orthogonalization (WO) significantly enhances malicious capa…

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cs.LGcs.AIcs.CERecentMay 3, 2026

RefusalGuard: Geometry-Preserving Fine-Tuning for Safety in LLMs

Sadia Asif, Mohammad Mohammadi Amiri

The paper introduces RefusalGuard, a novel fine-tuning framework that preserves the geometric structure of safety-relevant representations in LLMs, thereby mitigating the degradation of refusal behavi…

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cs.CRcs.AIcs.CLRecentMay 7, 2026

Safety Anchor: Defending Harmful Fine-tuning via Geometric Bottlenecks

Guoxin Lu, Letian Sha, Qing Wang, Peijie Sun +3 more

The paper introduces Safety Bottleneck Regularization (SBR), a novel defense mechanism that anchors LLM safety by constraining the unembedding layer, effectively preventing harmful fine-tuning (HFT) e…

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cs.CRRecentMay 6, 2026

You Snooze, You Lose: Automatic Safety Alignment Restoration through Neural Weight Translation

Marco Arazzi, Vignesh Kumar Kembu, Antonino Nocera, Stjepan Picek +1 more

The paper introduces NeWTral, a framework that restores safety alignment to specialized LLM adapters without sacrificing their domain-specific knowledge, achieving a significant reduction in attack su…

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cs.CRcs.AIcs.LGRecentMay 24, 2026

Furina: Fragmented Uncertainty-Driven Refusal Instability Attack

Tongxi Wu, Jian Zhang, Yang Gao

The paper challenges the assumption that LLM safety is a binary threshold, proposing that safety failures occur in an 'instability region' and introducing Furina, a transferable attack that exploits t…

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cs.CVcs.AIcs.CLRecentJun 1, 2026

Jailbreaking Multimodal Large Language Models using Multi-Clip Video

Choongwon Kang, Seungjong Sun, Hyunmin Jun, Jang Hyun Kim

The paper introduces Multi-Clip Video (MCV) SafetyBench, a dataset demonstrating that the vulnerability of Multimodal Large Language Models (MLLMs) to jailbreaking increases with the diversity and num…

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cs.AIRecentMay 28, 2026

Aligned but Fragile: Enhancing LLM Safety Robustness via Zeroth-Order Optimization

Zhihao Liu, Yifan Wu, Jian Lou, Di Wang +2 more

The paper proposes a novel zeroth-order optimization framework to enhance the robustness of LLM safety alignment, showing that few refinement steps can significantly improve safety while maintaining u…

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cs.CLcs.AIRecentMay 31, 2026

Low-Resource Safety Failures Are Action Failures, Not Representation Failures

Rashad Aziz, Ikhlasul Akmal Hanif, Fajri Koto

The paper shows that safety failures in low-resource languages are due to a failure in the model's safety decision calibration, not a lack of underlying knowledge, and proposes a recalibration method…

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cs.LGcs.CRRecentJun 2, 2026

When Autoregressive Consistency Hurts Safety Alignment

Bochen Lyu, Yiyang Jia, Xiaohao Cai, Zhanxing Zhu

The paper argues that shallow safety alignment in LLMs is due to autoregressive consistency, a mechanism that allows small harmful inputs to redirect the model's generation to unsafe outputs, necessit…

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cs.CRcs.CLRecentApr 9, 2026

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

Rui Zhang, Hongwei Li, Yun Shen, Xinyue Shen +5 more

The paper investigates how various fine-tuning methods can be used both to intentionally misalign and subsequently realign large language models (LLMs), revealing distinct strengths for attack and def…

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cs.CRcs.AIRecentMar 30, 2026

Adversarial Attacks on Multimodal Large Language Models: A Comprehensive Survey

Bhavuk Jain, Sercan Ö. Arık, Hardeo K. Thakur

This survey provides a comprehensive taxonomy and vulnerability-centric analysis of adversarial attacks targeting Multimodal Large Language Models (MLLMs), offering an explanatory framework for enhanc…

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cs.CYcs.CRcs.HCRecentMar 25, 2026

Learning from Mistakes: Can LLM Self-Recover after Misalignment?

Olga E. Sorokoletova, Francesco Giarrusso, Vincenzo Suriani, Daniele Nardi

This paper shifts the focus of LLM safety from preventing misalignment to investigating the model's intrinsic ability to self-recover its alignment after being corrupted by adversarial inputs.

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cs.CRcs.AIRecentMay 18, 2026

Surviving the Unseen: Predictive Defense for Novel Multi-Turn Multimodal Attacks

Doohee You

The paper proposes the Triple-tier Anomaly Defense (TRIAD) framework, a predictive model that treats safety verification as a dynamic trajectory problem to detect cumulative, cross-modal poisoning in…

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cs.AIRecentMay 28, 2026

Harnessing non-adversarial robustness in large language models

Qinghua Zhou, Ellina Aleshina, Andrey Lovyagin, Oleg Somov +5 more

The paper proposes a debiasing fine-tuning technique to efficiently enhance the robustness of Large Language Models against semantically similar but textually altered prompts.

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cs.CLcs.CVRecentJun 1, 2026

Mechanistic Diagnostics of Spatial Lexical Bias in Multimodal Large Language Model Spatial Reasoning

Chuang Ma, Qianying Liu, Tomoyuki Obuchi, Fei Cheng +5 more

The paper identifies a failure mode called spatial lexical bias in MLLMs, where adding a spatial word to options biases the model's choice, and demonstrates that this failure originates primarily from…

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cs.CRRecentApr 9, 2026

Towards Identification and Intervention of Safety-Critical Parameters in Large Language Models

Weiwei Qi, Zefeng Wu, Tianhang Zheng, Zikang Zhang +3 more

The paper proposes the Expected Safety Impact (ESI) framework to identify safety-critical parameters in LLMs, introducing targeted tuning methods (SET and SPA) to enhance safety and preserve alignment…

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cs.CRcs.CLRecentApr 17, 2026

TWGuard: A Case Study of LLM Safety Guardrails for Localized Linguistic Contexts

Hua-Rong Chu, Kuan-Chun Wang, Yao-Te Huang

The paper introduces TWGuard, a linguistic context-optimized safety guardrail model, demonstrating that tailoring AI safety mechanisms to specific local linguistic contexts significantly improves perf…

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cs.LGcs.AIcs.CRRecentApr 8, 2026

When Safety Geometry Collapses: Fine-Tuning Vulnerabilities in Agentic Guard Models

Ismail Hossain, Sai Puppala, Jannatul Ferdaus, Md Jahangir Alam +3 more

The paper demonstrates that fine-tuning safety guard models on benign data can catastrophically collapse their safety alignment, proposing Fisher-Weighted Safety Subspace Regularization (FW-SSR) to ac…

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cs.AIcs.CLRecentJun 1, 2026

SafeSteer: Localized On-Policy Distillation for Efficient Safety Alignment

Hao Li, Jingkun An, Zijun Song, Pengyu Zhu +7 more

SafeSteer proposes a localized on-policy distillation method that restricts safety alignment to specific safety tokens, thereby achieving strong safety performance with minimal degradation to general…

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