Vercel reported an April 2026 security incident after attackers gained unauthorized access via a compromised Context.ai sign-in
Incident Provisional 86% confidence first seen
Vercel said an April 2026 security incident began with unauthorized access to internal systems traced to a compromise of Context.ai used by a Vercel employee. Vercel notified affected customers, advised rotating credentials and enabling multi-factor authentication, and added monitoring and environment-variable management protections.