Auth0's US-5 Public Cloud environment experienced a major authentication outage lasting approximately 1.4 hours on September 30, 2026. The disruption was caused by a combination of latency issues within third-party hosted infrastructure and a high volume of service connections exhausting backend resources. Error rates returned to baseline after mitigation, with Auth0 continuing to collaborate with their third-party provider to fully resolve the root cause.
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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.
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.
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.
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.
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