CoreWeave incident

Degraded Kubernetes API Server Availability in US-East-01A

CoreWeave is currently experiencing a minor incident affecting CoreWeave Infrastructure and Coreweave Network (US-EAST-01), which began 2h ago. The vendor's full update timeline is below.

Started
May 21, 2026, 04:18 PM UTC
Resolved
Ongoing
Duration
● 1h 51m
Detected by Pingoru
May 21, 2026, 04:18 PM UTC

Affected components

CoreWeave InfrastructureCoreweave Network (US-EAST-01)

Update timeline

  1. identified May 21, 2026, 04:18 PM UTC

    Hello, We are actively investigating an issue impacting the availability of the Kubernetes API server across the US-EAST-01A zone. Customers in this zone may be experiencing intermittent or failed connections to their cluster API endpoints. We will keep you posted with updates. Please reach out to [email protected] for any questions . Thank you for your patience as we address it Thank You, CoreWeave Support

  2. monitoring May 21, 2026, 05:17 PM UTC

    Hello team, The issue impacting Kubernetes API server availability in US-EAST-01A has been mitigated, and connectivity has been restored. Our engineering teams are continuing to monitor closely to confirm stability. Thank you for your patience throughout this event. Please reach out to support@coreweave for assistance and any questions