CoreWeave incident
Degraded Kubernetes API Server Availability in US-East-01A
CoreWeave experienced a minor incident on May 21, 2026 affecting CoreWeave Infrastructure and Coreweave Network (US-EAST-01), lasting 3h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- 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
- 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