
Vercel's April 2026 Incident Is a Textbook NHI Problem: What to Rotate and Why
Vercel confirmed an unauthorized-access incident on April 19, 2026 that started in a third-party AI tool, pivoted through Google Workspace, and reached environment variables in a subset of customer projects. The exposure surface is every env var that was not marked sensitive. Here is what is confirmed, what is noise, and what to rotate first.




