Struck in red is what Auth0 removed; blue is what they added. Muted text is unchanged context.
BeforeAfter
AddedTitle#1
Before: not present
After: Elevated Errors on US-5 Public Cloud
AddedImpact#2
Before: not present
After: critical
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-09-30 20:32 UTC
AddedResolved time#5
Before: not present
After: 2026-09-30 21:24 UTC
AddedAffected components#6
Before: not present
After: US-5 Authentication, US-5 Machine to Machine, US-5 Management API
AddedUpdateinvestigating#7
Before: not present
After: We are currently investigating an incident that impacted our services. Users may experience issues with authentication functionality. Our team is actively working to understand the root cause and mitigate the issue. We will provide updates as we gather more information.
AddedUpdateidentified#8
Before: not present
After: We're continuing to investigate the service disruption on the US-5 Public Cloud Environment. We're assessing service metrics and logs to determine the source of the issue. We're evaluating a potential issue within infrastructure hosted by our third-party service provider. We'll provide further updates as our investigation progresses, and as changes in status occur.
AddedUpdateidentified#9
Before: not present
After: We're actively investigating with our third-party provider regarding the latency discrepancies that we observe within their hosted infrastructure. Additionally, we're investigating an issue involving a high number of service connections causing exhaustion on backend resources. We'll continue to provide updates as we proceed to address the root cause of the service disruption.
AddedUpdatemonitoring#10
Before: not present
After: We've observed that service error rates on the US-5 Public Cloud Environment have subsided and returned to baseline, marking a return to service functionality. The service disruption has been mitigated and we're monitoring the ensure stability. Meanwhile, our investigation is continuing and we're collaborating with our third-party provider's technical teams to identify and address the root cause of the issue within their hosted infrastructure.
AddedUpdateresolved#11
Before: not present
After: After monitoring the environment to ensure stability, we observe that services have been restored. Our investigation into origin of the event will continue, in collaboration with our third-party provider. A root cause analysis (RCA) will be posted here within 7 business days. We sincerely apologize for the impact this had on you and your users.
AddedUpdatepostmortem#12
Before: not present
After: A root-cause analysis for this issue has been performed and is now available at: [https://cdn.auth0.com/website/2026-09-30_-_Elevated_Errors_on_US-5_Public_Cloud_Environment.pdf](https://cdn.auth0.com/website/2026-09-30_-_Elevated_Errors_on_US-5_Public_Cloud_Environment.pdf)
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.