AI RESEARCH
Safer Reasoning Traces: Measuring and Mitigating Chain-of-Thought Leakage in LLMs
arXiv CS.CL
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ArXi:2603.05618v1 Announce Type: new Chain-of-Thought (CoT) prompting improves LLM reasoning but can increase privacy risk by resurfacing personally identifiable information (PII) from the prompt into reasoning traces and outputs, even under policies that instruct the model not to restate