MTLS Validation issues

lowCloudflareCDNJun 30, 2026 13:08Duration: 40m

securitycertificate

Security IncidentCertificate Issue

Summary

This incident has been resolved.

Impact

minor

Timeline

Jun 30, 2026 13:08

[investigating] Cloudflare is aware of and investigating issues with forwarding cf-client-cert-* headers with mTLS. More updates to follow.

via statuspage

+3m

Jun 30, 2026 13:11

[identified] The issue has been identified and a fix is being implemented.

via statuspage

+22m

Jun 30, 2026 13:33

[monitoring] A fix has been implemented and we are monitoring the results.

via statuspage

+15m

Jun 30, 2026 13:48

[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.