Rlsgrid – fuzz your Postgres/Supabase Row-Level Security for cross-tenant leaks

A tool called Rlsgrid has been made available to test Postgres and Supabase Row-Level Security for potential cross-tenant data leaks. The tool uses fuzzing to identify vulnerabilities. It is hosted on GitHub and has been discussed on Hacker News. The discussion on Hacker News has not yet generated any comments. The tool's purpose is to help detect security issues in Row-Level Security implementations.