Issues with TLS certificates using Lets Encrypt CA

Resolved

This incident has been resolved.

Update

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

Customers are advised to change to a different Certificate Authority as a workaround.

Investigating

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.