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Zeyang Sha

3 accepted papers

2026

Teach to Reason Safely: Policy-Guided Safety Tuning for MLRMs

ICLR 2026poster

Multimodal Large Reasoning Models (MLRMs) have exhibited remarkable capabilities in complex multimodal tasks. However, our findings reveal a critical trade-off: reasoning-based models are more prone to generating harmful content, leading to degradation in safety performance. This paper presents a la…

Cited by 0SourceScholar
2024

Reconstruct Your Previous Conversations! Comprehensively Investigating Privacy Leakage Risks in Conversations with GPT Models

EMNLP 2024main

Significant advancements have recently been made in large language models, represented by GPT models.Users frequently have multi-round private conversations with cloud-hosted GPT models for task optimization.Yet, this operational paradigm introduces additional attack surfaces, particularly in custom…

2023

Can't Steal? Cont-Steal! Contrastive Stealing Attacks Against Image Encoders

CVPR 2023poster

Self-supervised representation learning techniques have been developing rapidly to make full use of unlabeled images. They encode images into rich features that are oblivious to downstream tasks. Behind their revolutionary representation power, the requirements for dedicated model designs and a mass…