Abliteration HandbookField guide
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2026 research update — 50 primary papers

Snapshot: 23 August 2026 · Authority: arXiv primary records · Machine catalog: catalog-2026.json

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Snapshot: 23 August 2026 · Authority: arXiv primary records · Machine catalog: catalog-2026.json

This update adds 50 papers beyond the handbook core. It is intentionally broader than abliteration alone: refusal-direction surgery is only interpretable when read alongside representation geometry, activation steering, over-refusal, safety recovery, attack surfaces, and evaluation design.

How to use this update#

  • Mechanism asks where refusal and harmful intent are encoded and whether the representation is causal.
  • Intervention covers steering, controlled relaxation, unlearning, and representation edits.
  • Defense covers rebuilding, anchoring, or routing safety after representation-level attacks.
  • Evaluation measures side effects, false refusal, utility, quantization drift, or benchmark validity.
  • Attack studies how representation controls fail. These entries are included for defensive evaluation, not as deployment recipes.

Inclusion in this catalog means relevant primary source, not independent replication or endorsement. Freeze an exact paper version before reproducing a claim, and keep the handbook deployment gates in evaluation.md.

Mechanism#

PublishedPaperFirst authorarXiv
2026-08-12Localizing Safety Alignment: MLP Layers and Mid-Network Blocks Encode Refusal Behavior in Large Language ModelsMingyu Zong2608.11583
2026-08-06Detecting Safety Training Modification in Language Models via Activation AnalysisGlen Messenger2608.05578
2026-07-19Abliteration Is Not a Scalpel: Off-Target Effects of Refusal Removal on Decision Disposition Across Model FamiliesAleksander Fafuła2607.17427
2026-07-11When Are Sparse Feature Interventions Actually Localized? Matched Evaluation for SAE-Based Safety ControlDaming Luo2607.10226
2026-07-06Faithfulness to Refusal: A Causal Audit of Neuron SelectorsAnanth Eswar2607.05355
2026-07-02Has This Checkpoint Been Abliterated? A Two-Signal Audit and Its Failure MapGabriel Hurtado2607.01854
2026-06-24Refusal Lives Downstream of Persona in Chat ModelsViola Zhong2606.26161
2026-06-23Perfect Detection, Failed Control: The Geometry of Knowing vs. Steering in Language ModelsCosimo Galeone2606.24952
2026-06-21The Geometry of Refusal: Linear Instability in Safety-Aligned LLMsShivam Ratnakar2606.22686
2026-06-21Skin-Deep: A Geometric Diagnostic for Alignment Fragility in Large Language Model RepresentationsDongyub Jude Lee2606.22676
2026-05-28BioRefusalAudit: Auditing Biosecurity Refusal Depth Using General and Domain-Fine-Tuned Sparse AutoencodersCaleb DeLeeuw2605.30162
2026-05-23Measuring Alignment-Induced Activation Shifts Correctly: A Template-Controlled Difference-in-Differences ProtocolYuki Nakamura2605.24583
2026-04-29Dynamic Adversarial Fine-Tuning Reorganizes Refusal GeometryWenhao Lan2604.27019
2026-04-25From Concept-Aligned Tokens to Vulnerable Features: Mechanistic Localization of JailbreaksNilanjana Das2604.23130
2026-04-21Harmful Intent as a Geometrically Recoverable Feature of LLM Residual StreamsIsaac Llorente-Saguer2604.18901

Intervention#

PublishedPaperFirst authorarXiv
2026-08-17BabelSteering: Multilingual Safety Alignment via English Steering VectorsEmma V. Stein2608.16577
2026-08-13HiRoute: Hierarchical Routed Prompt Tuning for Safety Alignment of Large Language ModelsFangzhou Chen2608.12821
2026-07-22OPIUM: Mitigating Steering Externalities and Over-Refusal via Dual Objective Latent OptimizationKavin Aravindan2607.19806
2026-07-10Present but Rescaled: Chat-to-Agent Transfer of Additive Activation SteeringLucas Pinto2607.09156
2026-07-01HARC: Coupling Harmfulness and Refusal Directions for Robust Safety AlignmentShei Pern Chua2607.00572
2026-06-30Addressing Over-Refusal in LLMs with Competing RewardsTaeyoun Kim2606.31748
2026-06-07Beyond Linear Activation Steering: Invertible Latent Transformations for Controlling LLM BehaviorTuc Nguyen2606.08454
2026-06-01SafeSteer: Localized On-Policy Distillation for Efficient Safety AlignmentHao Li2606.02530
2026-05-22Palette: A Modular, Controllable, and Efficient Framework for On-demand Authorized Safety Alignment Relaxation in LLMsQitao Tan2605.24154
2026-05-15ASRU: Activation Steering Meets Reinforcement Unlearning for Multimodal Large Language ModelsJiahui Guang2605.15687
2026-05-12Inference-Time Machine Unlearning via Gated Activation RedirectionVinícius Conte Turani2605.12765

Defense#

PublishedPaperFirst authorarXiv
2026-08-18Fool's Gold: Defensive Deception Against Safety-Removal Attacks on Open-Weight ModelsMark Russinovich2608.17202
2026-08-13Refusing Intent, Not Form: Wrapper-Based Intent-Group Supervision for LLM SafetyPing Wu2608.13304
2026-07-31A Constitution-Grid Instrument for Data-Efficient RL Alignment (C-Guard)Xianling Zhang2608.00180
2026-07-30A Cross-Architecture Audit of Direction-Based Inference-Time Defences in Vision-Language ModelsXiangyu Yin2607.27910
2026-06-30Harnessing Textual Refusal Directions for Multimodal SafetyMoreno D'Incà2606.31876
2026-06-16AnchorKV: Safety-Aware KV Cache Compression via Soft Penalty with a Refusal AnchorNing Ni2606.17872
2026-06-09Training LLMs to Enforce Multi-Level Instruction Hierarchies via Gravity-Weighted Direct Preference OptimizationLena S. Bolliger2606.10860
2026-06-09Stop Early, Spend Less: Hidden-State Probes as a Practical Recipe for Streaming Moderation of LLM OutputsHuizhen Shu2606.10487
2026-06-07Abliteration Mitigation via Refusal AliasesNathan Truong2608.18093
2026-06-03Inference-Time Vulnerability Beyond Shallow Safety: Alignment Along Generation TrajectoriesKyungmin Park2606.04778
2026-05-04Revisiting JBShield: Breaking and Rebuilding Representation-Level Jailbreak DefensesKemal Derya2605.03095

Evaluation#

PublishedPaperFirst authorarXiv
2026-07-28Forecasting Side Effects of Activation SteeringChong Yong Ong2608.11227
2026-07-27When LLM Defenses Backfire: Characterizing Safety, Performance, and Cost Trade-offsTong Zhang2607.24392
2026-07-17Refusal is Not Safety! Benchmarking Latent Safety Risks of LLM-Driven Content HumorizationYu Cui2607.15977
2026-07-07Beyond Refusal: A Same-Lineage Study of Aligned and Abliterated LLMs for Vulnerability AnalysisMingchen Li2607.05842
2026-07-02Not All Refusals Are Equal: How Safety Alignment Fails Cybersecurity at ScaleVadym Hadetskyi2607.02714
2026-06-08Quality Is Not a Safety Proxy Under QuantizationSahil Kadadekar2606.10154
2026-06-07Activation Steering Induces Emergent Misalignment: A More Comprehensive EvaluationQi Cao2606.08682
2026-05-28Beyond Attack Success Rate: Temporal Logit Observability for LLM Safety FailuresJunyoung Park2605.29629
2026-05-07Beyond Fixed Benchmarks and Worst-Case Attacks: Dynamic Boundary Evaluation for Language ModelsHaoxiang Wang2605.06213

Attack#

PublishedPaperFirst authorarXiv
2026-07-09Optimizing Against Safety Representations: Activation-Guided Adversarial Suffixes and the Geometry of RefusalEge Çakar2607.08883
2026-06-04Steering Vectors are an Adversarial Attack SurfaceAbzal Aidakhmetov2606.05958
2026-05-20Latent-space Attacks for Refusal Evasion in Language ModelsGiorgio Piras2605.21706
2026-05-17Ablating Safety: Mechanisms for Removing Alignment in Language Models for Security ApplicationsIsaac David2605.17413

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