Resolved after 5 hours 38 minutes, affecting SSL Certificate Provisioning, on May 31, 2026.
The issue has been identified and a fix is being implemented. Customers are advised to change to a different Certificate Authority as a workaround.
Affected components
Update timeline
- investigating May 31, 2026, 03:16 AM UTC
Cloudflare is investigating issues with Let's Encrypt certificates. Some visitors may experience TLS connectivity issues due to potentially unsupported CA bundling for a subset of Cloudflare customers. Customers are advised to change to a different Certificate Authority as a workaround.
- identified May 31, 2026, 06:41 AM UTC
The issue has been identified and a fix is being implemented. Customers are advised to change to a different Certificate Authority as a workaround.
- resolved May 31, 2026, 08:55 AM UTC
This incident has been resolved.
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