DigiCert incident

Issue connecting to ocsp.digicert.cn

Critical Resolved View vendor source →

DigiCert experienced a critical incident on April 23, 2026 affecting Certificate Revocation List (CRL) and ocsp.digicert.cn, lasting 6h 12m. The incident has been resolved; the full update timeline is below.

Started
Apr 23, 2026, 08:14 AM UTC
Resolved
Apr 23, 2026, 02:26 PM UTC
Duration
6h 12m
Detected by Pingoru
Apr 23, 2026, 08:14 AM UTC

Affected components

Certificate Revocation List (CRL)ocsp.digicert.cn

Update timeline

  1. investigating Apr 23, 2026, 08:14 AM UTC

    We are currently having a connectivity issue with one of our OCSP service - ocsp.digicert.cn . We are working with the relevant teams to identify and fix the issue.

  2. identified Apr 23, 2026, 09:01 AM UTC

    We have identified that the connectivity issue with the ocsp.digicert.cn and crl.digicert.cn is due to an issue at one of our 3rd Party CDN provider. We are currently working with the CDN provider's support team to resolve the issue.

  3. monitoring Apr 23, 2026, 11:37 AM UTC

    The issue has been fixed by the 3rd Party CDN provider. The connectivity to ocsp.digicert.cn and crl.digicert.cn are successful.

  4. resolved Apr 23, 2026, 02:26 PM UTC

    This incident has been resolved.