Author

Vincent Lee

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#natural language process... Apr 2026

Do No Harm: Exposing Hidden Vulnerabilities of LLMs via Persona-based Client Simulation Attack in Psychological Counseling

This work introduces Personality-based Client Simulation Attack (PCSA), the first red-teaming framework that simulates clients in psychological counseling through coherent, persona-driven client dialogues to expose vulnerabilities in psychological safety alignment.

Qing-Yang Xu, Ya-Ling Shen, Stephanie Fong et al. · arXiv.org · 4 citations

#natural language process... Preprint Sep 2026

SDARE-Bench: Evaluating Large Language Models on Conversational Stigma Detection and Response in Dyadic and Group Dialogue

SDARE-Bench is introduced, the first scenario-based benchmark evaluating both stigma detection and open-ended response generation in LLMs, comprising 1,138 dyadic queries and 1,388 group dialogue and identifies stigma response as a recurring LLM safety vulnerability, especially in socially complex conversational contex...

Stephanie Fong, Yi-Wen Jiang, Zi-Mu Wang et al. · 0 citations