Minor ImpactLast updated: Nov 20, 2025, 4:46 PM UTCRefreshed just now

Cloudflare CDN: Some websites failing to load resources in HTTP/3

Started

Nov 20, 2025, 2:32 PM UTC

Resolved

Nov 20, 2025, 4:46 PM UTC

Timeline

ResolvedNov 20, 2025, 4:46 PM UTC
This incident has been resolved.
MonitoringNov 20, 2025, 4:23 PM UTC
A fix has been implemented and we are monitoring the results.
IdentifiedNov 20, 2025, 3:54 PM UTC
The issue has been identified and a fix is being implemented.
InvestigatingNov 20, 2025, 2:32 PM UTC
Cloudflare is aware of, and investigating an issue which potentially impacts a limited number of customers: we have reports of websites failing to load some resources in HTTP/3. This issue does not affect zones under our Enterprise Plan. We are working to understand the full impact and mitigate this problem. More updates to follow shortly.