CoreWeave Outage History
Uptime record, past incidents, and downtime history for CoreWeave.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| May 2026 | 72% | 25 | 7 |
| April 2026 | 76.7% | 30 | 7 |
| March 2026 | 100% | 31 | 0 |
| February 2026 | 100% | 5 | 0 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Feb 24
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
May 2026
Degraded Kubernetes API Server Availability in US-East-01A
Started: May 21, 4:18 PM
monitoring
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. ...
May 21, 5:17 PM
monitoring
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 support@coreweave.com for any questions . Thank you for your patience as we address it
Thank You,
CoreWeave Support
...
May 21, 4:18 PM
US-CENTRAL-08A Incident Kickoff - Investigating
Started: May 20, 12:48 PM
investigating
We are investigating a facilities issue in US-CENTRAL-08A that is causing node issues.
As the situation evolves, we will continue to provide our customers with updates on the matter. If you have any questions, we encourage you to reach out to support by email: support@coreweave.com
We apologize for any inconvenience this may cause and thank you for your patience while we work to resolve the matter in a timely manner.
Thank you,
CoreWeave Support
May 20, 12:48 PM
Missing Data in Cloud Console
Started: May 11, 9:19 PM
investigating
We believe the issue has been mitigated, and we are continuing to monitor the Cloud Console for any further issues.
If you are experiencing an issue or have any further questions please reach out to support@coreweave.com.
May 11, 9:35 PM
monitoring
We are investigating issues with the Cloud Console causing resources to not be displayed. This issue is isolated to the UI and would not affect customer workloads.
As the situation evolves, we will continue to provide our customers with updates on the matter. If you have any questions, we encourage you to reach out to support by email: support@coreweave.com
We apologize for any inconvenience this may cause and thank you for your patience while we work to resolve the matter in a timely ...
May 11, 9:19 PM
Degraded CoreWeave AI Object Storage (CAIOS) Performance in US-East-08A
Started: May 11, 3:33 PM
investigating
Hello,
The issue has been mitigated. Read and write performance has returned to baseline, and affected workloads should now operate normally. ...
May 12, 10:33 PM
monitoring
Hello,
We are currently investigating reports of degraded performance for CoreWeave AI Object Storage (CAIOS) in US-EAST-08A. Customers may observe:
- Elevated HTTP 500 / 503 SlowDown responses on PUT and GET requests
- Reduced write throughput �...
May 11, 3:33 PM
April 2026
Storage Incident
Started: Apr 28, 3:19 AM
resolved
Hello,
We are actively investigating an issue that may be impacting our object storage services. Requests to object storage may encounter 5XX responses or timeouts.
As the situation evolves, we will continue to update our customers on the matter. If you have any questions, we encourage you to reach out to support by email: support@coreweave.com
We apologize for any inconvenience this may cause and thank you for your patience while we work to resolve the matter in a timely manner.
...
Apr 28, 3:19 AM
Node Delivery Disruption
Started: Apr 23, 4:41 PM
investigating
We believe the issue has been mitigated, and we are continuing to monitor the affected services.
If you are experiencing an issue or have any further questions please reach out to support@coreweave.com.
Apr 23, 5:11 PM
investigating
We've identified an issue affecting node deliveries globally. Customers may experience new failed deliveries when creating or modifying node pools as well as nodes entering clusters through lifecycle automation.
This is affecting nodes only on x86 architecture.
We will provide updates as remediation progresses.
Apr 23, 4:41 PM