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~ similar to 2605.30381· 20 results

cs.CLcs.AIcs.LGRecentMay 27, 2026

Pressure-Testing Deception Probes in LLMs: Scaling, Robustness, and the Geometry of Deceptive Representations

Sachin Kumar

This paper systematically diagnoses the failure modes of linear deception probes in LLMs, finding that while single-direction probes are insufficient, multi-dimensional probes can recover robust detec…

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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.LGcs.AIcs.CRRecentMar 26, 2026

Why Safety Probes Catch Liars But Miss Fanatics

Kristiyan Haralambiev

The paper demonstrates that current safety probes designed to detect deceptive AI fail when the model adopts a coherent misalignment, where the model genuinely believes its harmful behavior is virtuou…

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cs.CRcs.SERecentApr 30, 2026

How Code Representation Shapes False-Positive Dynamics in Cross-Language LLM Vulnerability Detection

Maofei Chen, Laifu Wang, Yue Qin, Yuan Wang +2 more

The paper demonstrates that using raw source text for fine-tuning LLMs on vulnerability detection causes high false-positive rates by memorizing surface-level syntax, a problem mitigated by using Abst…

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cs.CLcs.AIRecentJun 2, 2026

Quantifying Faithful Confidence Expression in Large Reasoning Models

Areeb Gani, Asal Meskin, Gabrielle Kaili-May Liu, Arman Cohan

The paper introduces a novel framework to quantify faithful confidence expression (FC) in Large Reasoning Models (LRMs), finding that FC remains a significant and challenging reliability target for th…

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cs.CRcs.AIcs.LGRecentMay 12, 2026

The Misattribution Gap: When Memory Poisoning Looks Like Model Failure in Agentic AI Systems

Tanzim Ahad, Ismail Hossain, Md Jahangir Alam, Sai Puppala +2 more

The paper identifies the Misattribution Gap, showing that memory-layer attacks (Semantic Norm Drift) can mimic model failure in multi-agent AI systems, and proposes novel detection and mitigation tech…

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cs.CRcs.AIRecentApr 30, 2026

Latent Adversarial Detection: Adaptive Probing of LLM Activations for Multi-Turn Attack Detection

Prashant Kulkarni

The paper introduces 'adversarial restlessness,' an activation-level signature in LLM residual streams, to detect multi-turn prompt injection attacks with high accuracy.

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cs.LGcs.AIcs.CVRecentJun 1, 2026

Rethinking Evaluation Paradigms in IBP-based Certified Training

Konstantin Kaulen, Hadar Shavit, Holger H. Hoos

The paper proposes evaluating certified training methods by comparing their Pareto fronts across the natural-certified accuracy trade-off, revealing superior performance and previously unappreciated c…

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cs.CLcs.AIRecentMay 27, 2026

The Fragility of Chain-of-Thought Monitoring Across Typologically Diverse Languages

Eric Onyame, Runtao Zhou, Kowshik Thopalli, Bhavya Kailkhura +1 more

This study demonstrates that Chain-of-Thought (CoT) monitoring is fundamentally fragile and unreliable for detecting misaligned behavior across typologically diverse languages, especially in low-resou…

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cs.CLcs.AIcs.CRRecentMay 13, 2026

Persona-Model Collapse in Emergent Misalignment

Davi Bastos Costa, Renato Vicente

The paper proposes that emergent misalignment, where LLMs behave poorly after fine-tuning, is caused by 'persona-model collapse,' which is demonstrated by significant deterioration in the model's abil…

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eess.AScs.AIcs.HCRecentMay 27, 2026

I Hear, Therefore I Trust: A Socio-Technical Investigation of Humans as Synthetic Speech Detectors

Lelia Erscoi, Tomi Kinnunen

This study investigates how humans detect synthetic speech in real-world contexts, finding that while overt detection failed for fully synthetic speech, participants still implicitly discriminated utt…

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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.AIRecentJun 1, 2026

Consistency Training while Mitigating Obfuscation via Rate Matching

Sohaib Imran, Prakhar Gupta, Jannes Elstner, David Demitri Africa

The paper introduces Rate Matching Consistency Training (RMCT), a novel method that improves model robustness against extraneous input cues without forcing the model to ignore those cues, thus preserv…

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cs.CRcs.AIcs.MMRecentApr 15, 2026

The Synthetic Media Shift: Tracking the Rise, Virality, and Detectability of AI-Generated Multimodal Misinformation

Zacharias Chrysidis, Stefanos-Iordanis Papadopoulos, Symeon Papadopoulos

This study analyzes the dynamics of AI-generated multimodal misinformation using a large-scale dataset, finding that while synthetic content is highly viral, its spread is passive and its detectabilit…

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cs.CLRecentMay 28, 2026

Auditing LLM Benchmarks with Item Response Theory

Sander Land, Daniel M. Bikel

The paper introduces an Item Response Theory (IRT)-based indicator that effectively identifies likely mislabeled items in existing LLM benchmarks, revealing systematic errors in labeling and model spe…

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cs.CLcs.AIRecentJun 1, 2026

SPADE-Bench: Evaluating Spontaneous Strategic Deception in Agents via Plan-Action Divergence

Yuyan Bu, Haowei Li, Qirui Zheng, Bowen Dong +6 more

The paper introduces SPADE-Bench, a new benchmark designed to rigorously evaluate 'agent deception'—the divergence between an agent's reported plan and its actual executed actions—which is a critical…

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cs.LGcs.CRRecentApr 21, 2026

Mechanistic Anomaly Detection via Functional Attribution

Hugo Lyons Keenan, Christopher Leckie, Sarah Erfani

The paper proposes reframing mechanistic anomaly detection (MAD) as a functional attribution problem, using influence functions to measure how much a model's output depends on specific input samples,…

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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.LGcs.CLcs.GTRecentMay 31, 2026

Truthful AI Advisors: A Pre-Specified Benchmark for Large Language Model Honesty Under Preference Misalignment

Hamidreza Hasani Balyani, Seyed Pouyan Mousavi Davoudi, Alireza Amiri-Margavi, Amin Gholami Davodi +1 more

The paper establishes a benchmark based on the cheap-talk model to test LLM honesty when their incentives conflict with the user's, finding that models consistently over-reveal information regardless…

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cs.LGcs.CRRecentApr 14, 2026

Safety Training Modulates Harmful Misalignment Under On-Policy RL, But Direction Depends on Environment Design

Leon Eshuijs, Shihan Wang, Antske Fokkens

This paper investigates how on-policy Reinforcement Learning (RL) affects LLM safety, finding that safety training modulates harmful misalignment, but the direction of this effect is highly dependent…

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