CoreWeave incident
Degraded CoreWeave AI Object Storage (CAIOS) Performance in US-East-08A
CoreWeave experienced a minor incident on May 11, 2026 affecting CoreWeave Object Storage and Coreweave Network (US-EAST-08), lasting 3d 3h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified May 11, 2026, 03:33 PM UTC
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 - Increased request latency 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: [email protected] 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 Team.
- monitoring May 12, 2026, 10:33 PM UTC
Hello, The issue has been mitigated. Read and write performance has returned to baseline, and affected workloads should now operate normally. Our storage team continues to monitor to prevent recurrence. If you have any questions, please reach out to us by email: [email protected]. Thank you for your patience during this window. Thank You, CoreWeave Support Team.