Automated judges for LLM jailbreak ASR show opposite calibration failures and low robustness, with LLM judges flipped by benign framing and classifiers vulnerable to white-box attacks.
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WildGuard: Open One-Stop Moderation Tools for Safety Risks, Jailbreaks, and Refusals of LLMs
38 Pith papers cite this work, alongside 3 external citations. Polarity classification is still indexing.
abstract
We introduce WildGuard -- an open, light-weight moderation tool for LLM safety that achieves three goals: (1) identifying malicious intent in user prompts, (2) detecting safety risks of model responses, and (3) determining model refusal rate. Together, WildGuard serves the increasing needs for automatic safety moderation and evaluation of LLM interactions, providing a one-stop tool with enhanced accuracy and broad coverage across 13 risk categories. While existing open moderation tools such as Llama-Guard2 score reasonably well in classifying straightforward model interactions, they lag far behind a prompted GPT-4, especially in identifying adversarial jailbreaks and in evaluating models' refusals, a key measure for evaluating safety behaviors in model responses. To address these challenges, we construct WildGuardMix, a large-scale and carefully balanced multi-task safety moderation dataset with 92K labeled examples that cover vanilla (direct) prompts and adversarial jailbreaks, paired with various refusal and compliance responses. WildGuardMix is a combination of WildGuardTrain, the training data of WildGuard, and WildGuardTest, a high-quality human-annotated moderation test set with 5K labeled items covering broad risk scenarios. Through extensive evaluations on WildGuardTest and ten existing public benchmarks, we show that WildGuard establishes state-of-the-art performance in open-source safety moderation across all the three tasks compared to ten strong existing open-source moderation models (e.g., up to 26.4% improvement on refusal detection). Importantly, WildGuard matches and sometimes exceeds GPT-4 performance (e.g., up to 3.9% improvement on prompt harmfulness identification). WildGuard serves as a highly effective safety moderator in an LLM interface, reducing the success rate of jailbreak attacks from 79.8% to 2.4%.
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representative citing papers
FinRED creates an expert-validated benchmark and rubric for financial LLM safety that maps regulatory standards to specific threats and reduces critical false negatives in evaluation from 28 to 12.
Introduces a cross-validation-based evaluation methodology for LLM security detectors using a global threshold and group-fold leakage checks to avoid per-dataset tuning.
Systematic review of thirteen malicious-code prompt corpora for coding LLM refusal evaluation that catalogs construction methods, surfaces gaps in human baselines, cross-corpus comparability, and malware taxonomies, and proposes methodological improvements.
STAR-Teaming uses a Strategy-Response Multiplex Network inside a multi-agent framework to organize attack strategies into semantic communities, delivering higher attack success rates on LLMs at lower computational cost than prior methods.
Frontier models systematically withhold clinically necessary guidance from laypeople that they provide to physicians on identical facts, and LLM judges fail to detect that omission harm.
Governed MCP mediates AI agent tool calls inside a Rust bare-metal kernel using ProbeLogits, making ordinary userspace guardrail bypasses structurally impossible except for disclosed ungated ring-3 paths.
TSJ longitudinal simulation framework finds that short-term AI safety tests underestimate developmental risks, with early childhood and emerging adulthood as most vulnerable stages across cognitive trust and emotional dependency.
Safety-aligned LLMs treat benign and harmful compliance demonstrations differently in in-context learning, with preference optimization preventing benign examples from increasing harmful compliance and strong recency bias in ordering.
OPD-Evolver uses on-policy self-distillation in fast interaction and slow attribution loops to build agents with holistic memory competence, outperforming prior systems by up to 11.5% and allowing a 9B model to compete with much larger ones.
Item Response Theory enables adaptive and fixed-subset item selection that reduces safety benchmark costs by 80-99.9% while preserving high correlation with full rankings.
Probe trajectories across token positions in LRMs, combined with signal-processing features, improve prediction of future model outputs over static probes on safety and math tasks.
LPG compresses policy deliberation into 10 latent tokens to reach 84.5% safety accuracy and 11x speedup over explicit reasoning baselines on guardrail benchmarks.
Survival analysis applied to repeated jailbreak attacks on three LLMs shows one model degrades rapidly while the others maintain moderate vulnerability on HarmBench prompts.
Bayesian Model Merging introduces a bi-level optimization framework that merges task-specific models via closed-form Bayesian regression with an anchor prior and global hyperparameter search, outperforming baselines and nearly matching expert averages on up to 20-task vision and 5-task language Merg
Generative AI enables scalable, context-aware spear phishing by extracting profiles from public social media, producing emails that outperform real-world phishing samples in personalization and lower recipient suspicion.
GLiGuard is a compact schema-conditioned bidirectional encoder that matches 7B-27B guard models on safety benchmarks while delivering up to 16x higher throughput and 17x lower latency.
Self-mined hardness from model rollouts lowers WildJailbreak attack success to 1-3% on Llama-3 models while raising over-refusal, mitigated by 1:1 interleaving with benign prompts.
LLM OOD detectors are length-confounded; a two-pathway embedding-plus-trajectory framework detects covert OOD inputs at 0.721 average AUROC and 0.850 on jailbreaks.
BAR trains independent domain experts via separate mid-training, SFT, and RL pipelines then composes them with a MoE router to match monolithic retraining performance at lower cost and without catastrophic forgetting.
42% of significant turn-level associations in LLM conversation analysis are spurious due to unaccounted autocorrelation, with a validated two-stage correction framework improving replication.
A kernel-level single-forward-pass logit probe classifies agent actions as safe or dangerous with zero learned parameters and matches or beats Llama Guard 3 on external safety benchmarks.
LLMs display systematic, architecture-dependent gaps between their self-stated safety policies and observed behavior on harmful prompts, with absolute refusal claims frequently violated.
Language models refuse 75.4% of requests to evade defeated rules and do so even after recognizing reasons that undermine the rule's legitimacy.
citing papers explorer
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How Reliable Is Your Jailbreak Judge? Calibration and Adversarial Robustness of Automated ASR Scoring
Automated judges for LLM jailbreak ASR show opposite calibration failures and low robustness, with LLM judges flipped by benign framing and classifiers vulnerable to white-box attacks.
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FinRED: An Expert-Guided Benchmark Generation and Evaluation Framework for Financial LLM Red-Teaming
FinRED creates an expert-validated benchmark and rubric for financial LLM safety that maps regulatory standards to specific threats and reduces critical false negatives in evaluation from 28 to 12.
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Gate AI: LLM Security Benchmark Evaluation Methodology and Results
Introduces a cross-validation-based evaluation methodology for LLM security detectors using a global threshold and group-fold leakage checks to avoid per-dataset tuning.
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Refusal Evaluation in Coding LLMs and Code Agents: A Systematic Review of Thirteen Malicious-Code Prompt Corpora (2023-2025)
Systematic review of thirteen malicious-code prompt corpora for coding LLM refusal evaluation that catalogs construction methods, surfaces gaps in human baselines, cross-corpus comparability, and malware taxonomies, and proposes methodological improvements.
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STAR-Teaming: A Strategy-Response Multiplex Network Approach to Automated LLM Red Teaming
STAR-Teaming uses a Strategy-Response Multiplex Network inside a multi-agent framework to organize attack strategies into semantic communities, delivering higher attack success rates on LLMs at lower computational cost than prior methods.
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IatroBench: Pre-Registered Evidence of Iatrogenic Harm from AI Safety Measures
Frontier models systematically withhold clinically necessary guidance from laypeople that they provide to physicians on identical facts, and LLM judges fail to detect that omission harm.
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Governed MCP: Kernel-Level Tool Governance for AI Agents via Logit-Based Safety Primitives
Governed MCP mediates AI agent tool calls inside a Rust bare-metal kernel using ProbeLogits, making ordinary userspace guardrail bypasses structurally impossible except for disclosed ungated ring-3 paths.
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Long-Term Simulation Exposes Cognitive-Developmental Risks in AI Companions
TSJ longitudinal simulation framework finds that short-term AI safety tests underestimate developmental risks, with early childhood and emerging adulthood as most vulnerable stages across cognitive trust and emotional dependency.
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What Do Safety-Aligned LLMs Learn From Mixed Compliance Demonstrations?
Safety-aligned LLMs treat benign and harmful compliance demonstrations differently in in-context learning, with preference optimization preventing benign examples from increasing harmful compliance and strong recency bias in ordering.
-
OPD-Evolver: Cultivating Holistic Agent Evolver via On-Policy Distillation
OPD-Evolver uses on-policy self-distillation in fast interaction and slow attribution loops to build agents with holistic memory competence, outperforming prior systems by up to 11.5% and allowing a 9B model to compete with much larger ones.
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Efficient Safety Benchmarking via Item Response Theory
Item Response Theory enables adaptive and fixed-subset item selection that reduces safety benchmark costs by 80-99.9% while preserving high correlation with full rankings.
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Monitoring the Internal Monologue: Probe Trajectories Reveal Reasoning Dynamics
Probe trajectories across token positions in LRMs, combined with signal-processing features, improve prediction of future model outputs over static probes on safety and math tasks.
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LPG: Balancing Efficiency and Policy Reasoning in Latent Policy Guardrails
LPG compresses policy deliberation into 10 latent tokens to reach 84.5% safety accuracy and 11x speedup over explicit reasoning baselines on guardrail benchmarks.
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Quantifying LLM Safety Degradation Under Repeated Attacks Using Survival Analysis
Survival analysis applied to repeated jailbreak attacks on three LLMs shows one model degrades rapidly while the others maintain moderate vulnerability on HarmBench prompts.
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Bayesian Model Merging
Bayesian Model Merging introduces a bi-level optimization framework that merges task-specific models via closed-form Bayesian regression with an anchor prior and global hyperparameter search, outperforming baselines and nearly matching expert averages on up to 20-task vision and 5-task language Merg
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Context-Aware Spear Phishing: Generative AI-Enabled Attacks Against Individuals via Public Social Media Data
Generative AI enables scalable, context-aware spear phishing by extracting profiles from public social media, producing emails that outperform real-world phishing samples in personalization and lower recipient suspicion.
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GLiGuard: Schema-Conditioned Classification for LLM Safeguard
GLiGuard is a compact schema-conditioned bidirectional encoder that matches 7B-27B guard models on safety benchmarks while delivering up to 16x higher throughput and 17x lower latency.
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Self-Mined Hardness for Safety Fine-Tuning
Self-mined hardness from model rollouts lowers WildJailbreak attack success to 1-3% on Llama-3 models while raising over-refusal, mitigated by 1:1 interleaving with benign prompts.
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How Language Models Process Out-of-Distribution Inputs: A Two-Pathway Framework
LLM OOD detectors are length-confounded; a two-pathway embedding-plus-trajectory framework detects covert OOD inputs at 0.721 average AUROC and 0.850 on jailbreaks.
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Train Separately, Merge Together: Modular Post-Training with Mixture-of-Experts
BAR trains independent domain experts via separate mid-training, SFT, and RL pipelines then composes them with a MoE router to match monolithic retraining performance at lower cost and without catastrophic forgetting.
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The Autocorrelation Blind Spot: Why 42% of Turn-Level Findings in LLM Conversation Analysis May Be Spurious
42% of significant turn-level associations in LLM conversation analysis are spurious due to unaccounted autocorrelation, with a validated two-stage correction framework improving replication.
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ProbeLogits: Kernel-Level LLM Inference Primitives for AI-Native Operating Systems
A kernel-level single-forward-pass logit probe classifies agent actions as safe or dangerous with zero learned parameters and matches or beats Llama Guard 3 on external safety benchmarks.
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Do LLMs Follow Their Own Rules? A Reflexive Audit of Self-Stated Safety Policies
LLMs display systematic, architecture-dependent gaps between their self-stated safety policies and observed behavior on harmful prompts, with absolute refusal claims frequently violated.
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Blind Refusal: Language Models Refuse to Help Users Evade Unjust, Absurd, and Illegitimate Rules
Language models refuse 75.4% of requests to evade defeated rules and do so even after recognizing reasons that undermine the rule's legitimacy.
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BarrierSteer: LLM Safety via Learning Barrier Steering
BarrierSteer applies control barrier functions to LLM latent states for constraint-guided steering that reduces unsafe generations while preserving utility.
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Disentangled Safety Adapters Enable Efficient Guardrails and Flexible Inference-Time Alignment
Disentangled Safety Adapters decouple safety computations from task-optimized LLMs via lightweight adapters, yielding up to 53% better AUC on safety tasks and dynamic inference-time alignment with reduced performance trade-offs.
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Peering Behind the Shield: Guardrail Identification in Large Language Models
AP-Test identifies deployed guardrails in LLMs via adversarial prompt testing and a match score metric, reporting perfect accuracy on four open-source guardrails.
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HaloGuard 1.0: An Open Weights Constitutional Classifier for Multilingual AI Safety
HaloGuard 1.0-0.8B achieves the highest average F1 of 90.9 across seven prompt-safety benchmarks among evaluated open guard models while keeping FPR at 4.3 and FNR at 9.5, with a 4B variant reaching 92.1 F1.
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Yuvion VL: A Multimodal Foundation Model for Adversarial Content and AI Safety
Yuvion VL is a multimodal LLM family using adversarial-aware data construction, three-stage training, and contrastive fine-tuning that claims industry-leading safety performance on new benchmarks while retaining general capabilities.
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Reflect-Guard: Enhancing LLM Safeguards against Adversarial Prompts via Logical Self-Reflection
Reflect-Guard fine-tunes Llama-Guard-3-8B with distilled self-reflections to raise F1 on WildGuardTest from 0.770 to 0.842 and cut JailbreakBench attack success from 10.3% to 1.8%.
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Guardian-as-an-Advisor: Advancing Next-Generation Guardian Models for Trustworthy LLMs
Guardian-as-an-Advisor prepends risk labels and explanations from a guardian model to queries, improving LLM safety compliance and reducing over-refusal while adding minimal compute overhead.
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Discriminatory Compliance: How LLMs Answer Queries from Protected Groups
State-of-the-art LLMs respond inconsistently to queries from protected-group personas, with some responses omitting key information that should be provided.
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Opir: Efficient Multi-Task Safety Classification for Toxicity, Jailbreaks, Hate Speech, and Harmful Content
Opir introduces efficient multi-task encoder models trained on a 996-category safety taxonomy that match or exceed larger baselines on most safety benchmarks while using under 100M parameters for edge variants.
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GLiNER Guard: Unified Encoder Family for Production LLM Safety and Privacy
GLiNER Guard provides unified encoder variants for LLM safety and PII detection in a single pass, with high throughput on A100 hardware and a new PII-Bench benchmark.
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Skywork-Reward: Bag of Tricks for Reward Modeling in LLMs
Data-centric filtering yields an 80K preference dataset and reward models that lead RewardBench while boosting other top entries.
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ShieldGemma: Generative AI Content Moderation Based on Gemma
ShieldGemma delivers a family of Gemma2-based classifiers that outperform Llama Guard and WildCard on public safety benchmarks while introducing a synthetic-data curation pipeline for safety tasks.
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AERIC: Anticipatory Hidden-State Monitoring for Implicit Harmful Dialogue
AERIC uses a 387-parameter head on LLM hidden states for same-pass anticipatory detection of implicit harm, reporting AUROC gains on DiaSafety and Harmful Advice plus low-latency trigger rates on HarmBench and SocialHarmBench.
- Online Shift Detection and Conformal Adaptation for Deployed Safety Classifiers