A fix has been implemented and we are monitoring the results.
Posted Apr 21, 2026 - 19:57 UTC
Identified
Cloudflare has identified an issue with customers creating/updating Page Rules with the Host Header Override setting. Other settings are not impacted. We are working to mitigate the problem, more updates to follow shortly.
Posted Apr 21, 2026 - 18:09 UTC
This incident affected: Cloudflare Sites and Services (Rules).