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Cloudflare · Cloud and hostingOct 5, 2026, 10:55 UTC yesterday

API Shield JWT Validation Errors

MinorNot disclosedUpdated 5h ago
Oct 5, 10:55 UTCOct 5, 22:39 UTC
Duration
11h 44m
Impact
Minor
Root cause
Not disclosed
Cloudflare, 90 days
77 incidents
Affected
API ShieldCloudflare Sites and Services - API Shield
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Oct 5, 22:39 UTC
    This incident has been resolved.
  2. Monitoring · Oct 5, 20:09 UTC
    A fix has been implemented and we are monitoring the results.
  3. Identified · Oct 5, 11:24 UTC
    The issue has been identified and a fix is being implemented.
  4. Investigating · Oct 5, 10:55 UTC
    Cloudflare is investigating an issue affecting API Shield JWT validation for customers using symmetric keying material. Our team is actively working on restoring normal service.

More from Cloudflare

Full history
StartedIncidentDuration
Oct 517:14 UTCyesterdayDurable Objects Availability Issue in Eastern North America5h 21m
Oct 509:30 UTCyesterdayIncrease in Latency Across Multiple Locations0m
Oct 305:54 UTC3 days agoIssues with Workers Build failing to start2d 1h
Oct 222:33 UTC4 days agoNetwork Performance Issues - Seoul (ICN)0m
Oct 221:46 UTC4 days agoCloudflare CDN experiencing increase in errors.11m
Oct 120:59 UTC5 days agoIncreased Errors for Durable Objects and R219m

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