Elevated 4xx errors on Operator

Resolved·Partial outage

We have identified the issue to be caused by a bug in Vercel's internal CDN routing. After migrating domains towards the new deployment, Vercel served outdated files via their CDN even after purging the CDN cache.

Sun, Aug 9, 2026, 11:17 AM

(2 months ago)

·

Affected components

Aug 9, 2026, 10:56 AM

11:17 AM

Panel

Vault

Updates

Resolved

We have identified the issue to be caused by a bug in Vercel's internal CDN routing. After migrating domains towards the new deployment, Vercel served outdated files via their CDN even after purging the CDN cache.

Sun, Aug 9, 2026, 11:17 AM

Investigating

We are observing an increase in 4xx error related to the recent deployment of a system update. We are investigating the root cause.

Sun, Aug 9, 2026, 10:56 AM(20 minutes earlier)