Elevated Errors on Middleware Invocations

lowVercelMar 6, 2026 15:25Duration: 6h 13m

apideploymentcdn

Network / RoutingDeployment FailureAPI Issue

Summary

This incident has been resolved.

Impact

minor

Timeline

Mar 6, 2026 15:25

[identified] Some deployments created between 11:20 UTC and 15:14 UTC with middleware may be seeing elevated errors. Deployments created outside of this time window are unaffected. If you are experiencing issues, we recommend redeploying.

via statuspage

+0m

Mar 6, 2026 15:25

[identified] Some deployments created between 11:20 UTC and 15:14 UTC with Edge Middleware may be seeing elevated errors. Deployments created outside of this time window are unaffected. If you are experiencing issues, we recommend redeploying.

via statuspage

+3h 52m

Mar 6, 2026 19:18

[identified] We are applying a fix for the deployments experiencing elevated errors. We continue to recommend redeploying if you are seeing errors on deployments created between 11:20 UTC and 15:14 UTC. Deployments created outside of this window are unaffected and no action is required. Additionally, deployments with middleware on the Node runtime are unaffected.

via statuspage

+2h 2m

Mar 6, 2026 21:20

[monitoring] A fix has been applied and we are seeing recovery for affected deployments. We are continuing to monitor.

via statuspage

+18m

Mar 6, 2026 21:38

[resolved] This incident has been resolved.

via statuspage

Lessons Learned

⚠Vercel has experienced 12 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api, deployment, cdn have occurred 195 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: Network / Routing, Deployment Failure, API Issue. Consider implementing preventive measures specific to this failure category.