2 papers
cs.CL2026
The Alignment Paradox: How Post-Training Amplifies Confident Hallucinations in Language Models
Qingjia Huang, Yakai Li, Jianguo Wu +5
Large language models (LLMs) can produce factually incorrect answers with high confidence, undermining their reliability and limiting the effectiveness of uncertainty-based error d…
cs.CR2025
Prefill-level Jailbreak: A Black-Box Risk Analysis of Large Language Models
Yakai Li, Jiekang Hu, Weiduan Sang +7
Large Language Models face security threats from jailbreak attacks. Existing research has predominantly focused on prompt-level attacks while largely ignoring the underexplored att…