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Outage in Auth0

Authentication Services Impacted on Public Cloud Environment

Resolved Major
March 05, 2026 - Started about 1 month ago - Lasted 11 days

Incident Report

Summary AI Generated

Auth0's authentication services experienced a major incident across all global regions (US, EU, UK, Canada, Australia, and Japan) lasting over 11 days. The issue was identified as affecting customers using variables defined outside of their action method definition on runtime node18 or earlier, causing unexpected behavior in authentication workflows. The engineering team applied a fix and rolled it out across affected environments during scheduled maintenance windows to minimize further disruptions.

We are currently investigating an incident that impacted our services. 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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Latest Updates ( sorted recent to last )
MONITORING about 1 month ago - at 03/05/2026 03:05PM

Our Engineering team is monitoring this event, and we're applying the fix during approved scheduled release windows in order to minimize possible service disruptions. Customers using variables defined outside of their action method definition on runtime node18 or less may experience unexpected behavior. We'll provide another update as changes in status occur.

IDENTIFIED about 1 month ago - at 03/05/2026 02:39PM

Our Engineering team has investigated and we've identified the cause of the event. We're making progress on mitigating impact and have applied a fix to a subset of affected environments. After applying this fix, we're observing a successful recovery of our services. Customers using variables defined outside of their action method definition on runtime node18 or less may experience unexpected behavior. We will continue to monitor mitigation of the issue as we continue to roll this fix out across the remaining affected environments.

INVESTIGATING about 1 month ago - at 03/05/2026 02:09PM

We are currently investigating an incident that impacted our services. 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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