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Cloudflare Status - Incident History

ICN (Seoul) on 2026-06-17 SIN (Singapore) on 2026-06-15 Cloudflare Storage Maintenance AUS (Austin) on 2026-06-15 EWR (Newark) on 2026-06-15 YUL (Montréal) on 2026-06-15 SEA (Seattle) on 2026-06-11 EWR (Newark) on 2026-06-11 YUL (Montréal) on 2026-06-11 LIS (Lisbon) on 2026-06-11 CDG (Paris) on 2026-06-11 LHR (London) on 2026-06-11 NRT (Tokyo) on 2026-06-10 CDG (Paris) on 2026-06-10 Log Explorer queries failing Increased HTTP 526 Errors MIA (Miami) on 2026-06-10 MAD (Madrid) on 2026-06-10 Increased Errors for Durable Objects in the Denver and Chicago region TXL (Berlin) on 2026-06-10 AUS (Austin) on 2026-06-10 EWR (Newark) on 2026-06-10 REC (Recife) on 2026-06-09 Hyperdrive and KV API errors Cloudflare Storage Maintenance ORD (Chicago) on 2026-06-09 CPT (Cape Town) on 2026-06-09 LIS (Lisbon) on 2026-06-09 GVA (Geneva) on 2026-06-08 R2 and Teams' payments failing during Checkout flow
Issues with TLS certificates using Lets Encrypt CA
2026-05-31 · via Cloudflare Status - Incident History

Resolved

This incident has been resolved.

Posted May 31, 2026 - 08:55 UTC

Identified

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

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

Posted May 31, 2026 - 06:41 UTC

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.

Posted May 31, 2026 - 03:16 UTC

This incident affected: Cloudflare Sites and Services (SSL Certificate Provisioning).