Errors when uploading Custom Certificates

lowCloudflareJun 26, 2026 12:33Duration: 2h 28m
securitycertificate
Security IncidentCertificate Issue

Summary

This incident has been resolved.

Impact

minor

Timeline

Jun 26, 2026 12:33

[investigating] Cloudflare is investigating 500/2000 errors when customers attempt to upload a new custom certificate. Custom certificates already in production remain unaffected and are operating normally.

via statuspage
+2h 28m
Jun 26, 2026 15:00

[resolved] This incident has been resolved.

via statuspage

Lessons Learned

Cloudflare has experienced 252 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to security, certificate have occurred 20 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: Security Incident, Certificate Issue. Consider implementing preventive measures specific to this failure category.