63% of Organizations Cannot Purpose-Limit Their AI Agents. Vercel Showed Us Why That Ends.
Disclosure: I build APort, an open-source pre-action authorization layer for AI agents. The Vercel breach is exactly the failure mode APort was built to prevent. Read this with that in mind. TL;DR: The Vercel breach of April 2026 was not an OAuth failure. It was a purpose failure. An