API Shield JWT Validation Errors

Incident Report for Cloudflare

Resolved

This incident has been resolved.
Posted Oct 05, 2026 - 22:39 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Oct 05, 2026 - 20:09 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Oct 05, 2026 - 11:24 UTC

Investigating

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.
Posted Oct 05, 2026 - 10:55 UTC
This incident affected: Cloudflare Sites and Services (API Shield).