CoreWeave incident

Object Storage Performance Degradation in US-CENTRAL-09A

Minor Resolved View vendor source →

CoreWeave experienced a minor incident on September 26, 2026 affecting CoreWeave Object Storage and CoreWeave Networking (US-CENTRAL-09A), lasting 18h 25m. The incident has been resolved; the full update timeline is below.

Started
Sep 26, 2026, 12:23 PM UTC
Resolved
Sep 27, 2026, 06:48 AM UTC
Duration
18h 25m
Detected by Pingoru
Sep 26, 2026, 12:23 PM UTC

Affected components

CoreWeave Object StorageCoreWeave Networking (US-CENTRAL-09A)

Update timeline

  1. investigating Sep 26, 2026, 12:23 PM UTC

    We are investigating an issue that may result in reduced IOPS for Object Storage in the US-CENTRAL-09A region. Our engineering team is actively engaged and working to identify the root cause. We will continue to provide updates as we work to resolve this issue

  2. monitoring Sep 26, 2026, 02:29 PM UTC

    We've implemented a fix to address the Object Storage reduced IOPS affecting US-CENTRAL-09A. All services are now fully operational, and we are monitoring closely to ensure stability. We apologise for any inconvenience this may have caused. If you continue to see issues, please reach out to us at: [email protected].