Elevated Errors on US-4 Public Cloud

This incident has been resolved.

A root-cause analysis for this issue has been performed and is now available at: [https://cdn.auth0.com/website/2026-10-09_-_Elevated_Service_Errors_on_US-4_Public_Cloud_Environment.pdf](https://cdn.auth0.com/website/2026-10-09_-_Elevated_Service_Errors_on_US-4_Public_Cloud_Environment.pdf)

After monitoring the environment to ensure stability, we confirm that services have been restored. Our investigation into the full root cause will continue, as we confirm the source of the issue. 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.

We've identified a load spike event that caused elevated service errors on the US-4 Public Cloud environment. These errors have subsided after our autoscaling mechanisms triggered. The issue has self-resolved, and we're monitoring the environment to ensure stability. We'll provide further updates with new information or when changes in status occur.

We're currently investigating an incident that impacted our services. This event impacts authentication and Management API functionality. Our team is actively working to understand the root cause and mitigate the issue. We will provide updates as we gather more information.