Grok Is Generating Sexual Content Far More Graphic Than What's on X

A WIRED review of outputs hosted on Grok’s official website shows it’s being used to create violent sexual images and videos, as well as content that includes apparent minors...

BadReward: Clean-Label Poisoning of Reward Models in Text-To-Image RLHF

Reinforcement Learning from Human Feedback RLHF is crucial for aligning text-to-image T2I models with human preferences. However, RLHF's feedback mechanism also opens new pathways for adversaries. This paper demonstrates the feasibility of hijacking T2I models by poisoning a small fraction of...