arxivcs.CLcs.AI2026-06-26
Low-Agreeableness Persona Conditioning for Safe LLM Fine-Tuning
Recent work has shown that fine-tuning large language models (LLMs) for social warmth degrades factual reliability and increases sycophancy. We investigate a related but distinct failure mode: warmth fine-tuning also weakens adversarial safety, making models more susceptible to j…