Incident Analysis
The Vercel Breach: A Forgotten OAuth Grant Became a SaaS Supply-Chain Pivot (May 2026)
An infostealer infection at AI startup Context.ai let attackers reuse a Vercel employee's months-old Google Workspace OAuth grant to bypass MFA and exfiltrate customer environment variables. Disclosed April 2026, the fallout deepened through May.
May 12, 202612 min read