Lecheng Yan
1 indexed paper
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126
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Crypto×1NLP×1
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2026
Trust No Tool: Evaluating and Defending LLM Agents under Untrusted Tool Feedback
The paper introduces a new security benchmark and framework to defend LLM agents against 'cognitive poisoning,' where malicious tools build trust through benign feedback before executing a harmful final action.
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Papers
cs.CRcs.CLRecentMay 17, 2026
Trust No Tool: Evaluating and Defending LLM Agents under Untrusted Tool Feedback
Lecheng Yan, Ruizhe Li, Xicheng Han, Wenxi Li +4 more
The paper introduces a new security benchmark and framework to defend LLM agents against 'cognitive poisoning,' where malicious tools build trust through benign feedback before executing a harmful fin…
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