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Astronomer: Increased auth errors
Astronomer reported a major outage affecting authentication, deployment access and DAG visibility, with 401 and RBAC errors for multiple customers. It started at 2026-09-04 03:08 UTC and was resolved at 2026-09-04 06:07 UTC, lasting 2 h 58 min. A network configuration change during an infrastructure upgrade disrupted control-plane connectivity to customer deployments; Astronomer applied a fix and confirmed normal operation.
Machine-written from the archived incident (Sol). Check the timeline before relying on it.
Affected components: Deployment AccessDeployment AccessDeployment AccessDeployment Access
Timeline of updates
- investigating
We are currently investigating an issue affecting deployment access, authentication, and related services for multiple customers. Some users may experience 401 errors when using organization-based Astronomer URLs (ORG_ID.astronomer.run), as well as "RBAC: access denied" errors or difficulty viewing DAGs in the Astronomer UI.
- investigating
We're continuing to investigate the issue affecting access/auth to some deployments and services. We will follow up with an update no later than 5:30 AM UTC on Friday, September 4, 2026, or sooner if we have something to share.
- identified
The potential root cause identified, and fix is underway
- monitoring
We identified and resolved an infrastructure configuration issue that was causing authentication failures and deployment access errors across the platform. The root cause was a network configuration change during an infrastructure upgrade that temporarily disrupted connectivity between our control plane and customer deployments. The fix has been applied and initial validation confirms services are recovering We are actively monitoring to confirm full recovery across all affected deployments. If you are still experiencing issues, please contact support.
- resolved
The issue has been fully resolved. All services, including authentication, deployment access, and DAG visibility, are operating normally. We apologize for the disruption and thank you for your patience.
Rewindex changes for this incident
- Major incident: Increased auth errors 2026-09-04 03:08 UTC
Impact, status and times are the vendor’s own, as last archived. View on status.astronomer.io (opens in new tab). Astronomer profile · Recent Astronomer incidents · Markdown · JSON