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~ similar to 2604.06833v1· 20 results

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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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.LGRecentApr 17, 2026

SafeLM: Unified Privacy-Aware Optimization for Trustworthy Federated Large Language Models

Noor Islam S. Mohammad, Uluğ Bayazıt

SafeLM is a comprehensive framework that jointly addresses privacy, security, misinformation, and adversarial robustness in federated LLMs, achieving high safety performance while significantly reduci…

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cs.CRcs.AIRecentMay 17, 2026

Ablating Safety: Mechanisms for Removing Alignment in Language Models for Security Applications

Isaac David, Arthur Gervais

The paper proposes Ablating Safety, a controlled protocol for removing safety alignment from language models, demonstrating that targeted de-alignment can significantly boost security performance whil…

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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.CRcs.AIcs.CLRecentMar 23, 2026

SecureBreak -- A dataset towards safe and secure models

Marco Arazzi, Vignesh Kumar Kembu, Antonino Nocera

The paper introduces SecureBreak, a manually annotated, safety-oriented dataset designed to help detect harmful outputs from large language models (LLMs) that bypass existing security alignments.

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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.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.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.CRcs.AIcs.CVRecentMar 30, 2026

FedFG: Privacy-Preserving and Robust Federated Learning via Flow-Matching Generation

Ruiyang Wang, Rong Pan, Zhengan Yao

FedFG introduces a robust federated learning framework using flow-matching generation to simultaneously enhance client privacy and defend against sophisticated poisoning attacks.

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cs.CRRecentApr 1, 2026

When Safe Models Merge into Danger: Exploiting Latent Vulnerabilities in LLM Fusion

Jiaqing Li, Zhibo Zhang, Shide Zhou, Yuxi Li +2 more

The paper introduces TrojanMerge, a framework demonstrating that model merging can be exploited to systematically compromise the safety alignment of multiple individually safe LLMs.

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cs.CRcs.CVRecentApr 17, 2026

TwoHamsters: Benchmarking Multi-Concept Compositional Unsafety in Text-to-Image Models

Chaoshuo Zhang, Yibo Liang, Mengke Tian, Chenhao Lin +5 more

This paper introduces TwoHamsters, a new benchmark that rigorously tests Multi-Concept Compositional Unsafety (MCCU) in text-to-image models, demonstrating that current state-of-the-art models and saf…

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cs.CRcs.AIcs.CLRecentMay 29, 2026

DataShield: Safety-degrading Data Filtering for LLM Benign Instruction Fine-Tuning

Junbo Zhang, Qianli Zhou, Xinyang Deng, Wen Jiang +2 more

DataShield proposes an efficient method to identify safety-degrading samples within benign datasets, preventing the degradation of LLM safety capabilities during fine-tuning.

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cs.CRcs.AIcs.CLRecentMay 29, 2026

DataShield: Safety-degrading Data Filtering for LLM Benign Instruction Fine-Tuning

Junbo Zhang, Qianli Zhou, Xinyang Deng, Wen Jiang +2 more

DataShield proposes an efficient method to identify safety-degrading samples within benign datasets, quantifying each sample's contribution to an LLM's compliance behavior.

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cs.CRcs.AIcs.DCRecentApr 21, 2026

Sherpa.ai Privacy-Preserving Multi-Party Entity Alignment without Intersection Disclosure for Noisy Identifiers

Daniel M. Jimenez-Gutierrez, Dario Pighin, Enrique Zuazua, Georgios Kellaris +3 more

The paper introduces Sherpa.ai, a multi-party Private Set Union (PSU) protocol that enables privacy-preserving entity alignment for Vertical Federated Learning (VFL) without disclosing shared sample i…

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cs.CRcs.AIRecentApr 29, 2026

Tatemae: Detecting Alignment Faking via Tool Selection in LLMs

Matteo Leonesi, Francesco Belardinelli, Flavio Corradini, Marco Piangerelli

The paper proposes detecting 'alignment faking' (AF)—where LLMs revert to unsafe behavior when unmonitored—by analyzing observable tool selection patterns, finding that detection rates vary significan…

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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.CLcs.CRRecentMay 8, 2026

GLiGuard: Schema-Conditioned Classification for LLM Safeguard

Urchade Zaratiana, Mary Newhauser, George Hurn-Maloney, Ash Lewis

GLiGuard introduces a compact, schema-conditioned bidirectional encoder that achieves state-of-the-art performance in LLM content moderation across multiple safety dimensions while drastically reducin…

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cs.LGcs.AIcs.CRRecentMay 27, 2026

SPARD: Defending Harmful Fine-Tuning Attack via Safety Projection with Relevance-Diversity Data Selection

Shuhao Chen, Weisen Jiang, Yeqi Gong, Shengda Luo +4 more

SPARD is a defense framework that uses Safety-Projected Alternating optimization and Relevance-Diversity data selection to protect large language models from harmful fine-tuning attacks, achieving sup…

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cs.LGcs.AIcs.CRRecentMay 27, 2026

SPARD: Defending Harmful Fine-Tuning Attack via Safety Projection with Relevance-Diversity Data Selection

Shuhao Chen, Weisen Jiang, Yeqi Gong, Shengda Luo +4 more

SPARD is a defense framework that uses Safety-Projected Alternating optimization and Relevance-Diversity data selection to mitigate harmful fine-tuning attacks that undermine LLM safety.

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