Cloudflare incident

Duplicated values in X-Forwarded-For header

Critical Resolved View vendor source →
Started
Apr 28, 2026, 06:31 PM UTC
Resolved
Apr 29, 2026, 09:30 AM UTC
Duration
14h 59m
Detected by Pingoru
Apr 28, 2026, 06:31 PM UTC

Affected components

CDN/CacheCDN Cache Purge

Update timeline

  1. investigating Apr 28, 2026, 06:31 PM UTC

    Cloudflare is investigating duplicated values in the X-Forwarded-For header. Origins depending on this header may exhibit unexpected behavior.

  2. investigating Apr 28, 2026, 06:34 PM UTC

    We are continuing to investigate this issue.

  3. identified Apr 28, 2026, 07:00 PM UTC

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

  4. identified Apr 28, 2026, 07:00 PM UTC

    We are continuing to work on a fix for this issue.

  5. identified Apr 28, 2026, 08:39 PM UTC

    We are continuing to work on a fix for this issue.

  6. identified Apr 29, 2026, 06:12 AM UTC

    We are continuing to work on a fix for this issue. A new expected roll out is ~2.5 hours - ETA ~08:30 UTC.

  7. resolved Apr 29, 2026, 09:30 AM UTC

    This incident has been resolved.

Looking to track Cloudflare downtime and outages?

Pingoru polls Cloudflare's status page every 5 minutes and alerts you the moment it reports an issue — before your customers do.

  • Real-time alerts when Cloudflare reports an incident
  • Email, Slack, Discord, Microsoft Teams, and webhook notifications
  • Track Cloudflare alongside 5,000+ providers in one dashboard
  • Component-level filtering
  • Notification groups + maintenance calendar
Start monitoring Cloudflare for free

5 free monitors · No credit card required