Cloudflare outage: ERR_TIMED_OUT and ERR_EMPTY_RESPONSE being observed by Cloudflare Customers

1. resolvedOct 27, 2026, 15:12 UTC

   This incident has been resolved.

2. monitoringOct 27, 2026, 14:52 UTC

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

3. identifiedOct 27, 2026, 14:38 UTC

   Cloudflare has identified an issue affecting customers whose traffic passes through an external vendor firewall. Customers may observe: ERR_TIMED_OUT on standard HTTPS websites ERR_EMPTY_RESPONSE on non-standard HTTPS ports (e.g., 8443) We're investigating to confirm the root cause and possible fixes.

4. identifiedOct 27, 2026, 13:20 UTC

   Cloudflare has identified an issue affecting customers whose traffic passes through an external vendor firewall. Customers may observe: ERR_TIMED_OUT on standard HTTPS websites ERR_EMPTY_RESPONSE on non-standard HTTPS ports (e.g., 8443) We're investigating to confirm the root cause and possible fixes.

5. identifiedOct 27, 2026, 12:28 UTC

   Cloudflare has identified an issue affecting customers whose traffic passes through an external vendor firewall. Customers may observe: ERR_TIMED_OUT on standard HTTPS websites ERR_EMPTY_RESPONSE on non-standard HTTPS ports (e.g., 8443) We're investigating to confirm the root cause and possible fixes.

What APIStatus.watch saw

• Oct 27, 2026, 14:39 UTCoperational → partial outage
• Oct 27, 2026, 15:14 UTCpartial outage → operational

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How often does Cloudflare have incidents?

Cloudflare reported 109 incidents in the last 90 days, 12 of them major or critical. A typical incident lasted 1h 46m. See Cloudflare's uptime and incident history