Abusing the Sandbox for a Critical Cross-Tenant Vulnerability in Writer AI

A critical cross-tenant vulnerability was discovered in Writer AI. The vulnerability was found to be exploitable by abusing the sandbox, according to a blog post by Sand Security. The blog post discusses the details of the vulnerability, which has been dubbed Writeout. The issue is outlined in a post on the Sand Security blog, with a corresponding discussion on Hacker News. The vulnerability allows for a critical cross-tenant attack in Writer AI.