← Back to Cloudflare History
critical✓ Resolved

Duplicated values in X-Forwarded-For header

Cloudflare•Tue, Apr 28, 2026, 06:31 PM
Status
resolved
Duration
15h 3m
Updates
6
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedWed, Apr 29, 2026, 09:35 AM
This incident has been resolved.
identifiedWed, Apr 29, 2026, 06:12 AM
We are continuing to work on a fix for this issue. A new expected roll out is ~2.5 hours - ETA ~08:30 UTC.
identifiedTue, Apr 28, 2026, 08:39 PM
We are continuing to work on a fix for this issue.
identifiedTue, Apr 28, 2026, 07:00 PM
We are continuing to work on a fix for this issue. A fix is expected to roll out over the next ~11 hours - ETA ~07:00 UTC 29 Apr. 2026.
identifiedTue, Apr 28, 2026, 07:00 PM
The issue has been identified and a fix is being implemented.
investigatingTue, Apr 28, 2026, 06:34 PM
We are continuing to investigate this issue.
investigatingTue, Apr 28, 2026, 06:31 PM
Cloudflare is investigating duplicated values in the X-Forwarded-For header. Origins depending on this header may exhibit unexpected behavior.

📊 TECHNICAL DETAILS

Internal ID
8c4db06a-ec7b-4336-a290-3a17374b5ef1
External ID
yg4t0swj39fg
🕐 Started
Tue, Apr 28, 2026, 06:31 PM
🔄 Last Updated
Wed, Apr 29, 2026, 09:35 AM
✓ Resolved
Wed, Apr 29, 2026, 09:35 AM
CRITICAL
Impact Level
15h 3m
Total Duration
6
Status Updates
Affected Components
CDN/CacheCDN Cache Purge
REQUEST COVERAGE
No article has been written for this incident yet. When 100 people request coverage, we automatically generate one.
0 / 100 requests100 more needed