CoreWeave experienced a minor incident on August 13, 2026 affecting CoreWeave Cloud and CoreWeave Services and 1 more component, lasting 1h 37m. The incident has been resolved; the full update timeline is below.
Affected components
CoreWeave CloudCoreWeave ServicesCoreweave NetworkCoreWeave NetworkingCoreWeave Networking (EU-SOUTH-03)
Update timeline
- investigating Aug 13, 2026, 11:21 PM UTC
Beginning at 22:51 UTC on 13 August 2026, we identified a network connectivity issue affecting internal service communication within the EU-SOUTH-03B availability zone. Customers in this availability zone may experience intermittent errors or delays when performing cluster control-plane operations, such as Kubernetes API requests. Running workloads and compute nodes are not currently showing impact. Our networking teams are actively engaged and investigating. Other availability zones and regions are unaffected.