Prompt EngineeringJianli Zhao et al. (Renmin University, Oxford, Stanford, Anthropic and others)Renmin University of ChinaUniversity of OxfordStanford UniversityAnthropic

Chain-of-Thought Hijacking published

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Chain-of-Thought Hijacking published — bypasses safety refusals by prepending long, harmless reasoning

Why it matters

A counterexample from the attack side to optimism about CoT monitoring

Source — Primary sources first; secondary reports are labelled “Press”

Paperarxiv.orghttps://arxiv.org/abs/2510.26418

Added in Week 35, 2026 · See that week

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