Minor incident

Grafana Cloud: Errors when querying Prometheus datasource

Affected: GCP US Central - prod-us-central-4

Current status of Grafana Cloud: Operational — live Grafana Cloud status

Timeline

1. Oct 13, 2026, 19:55 UTC
   investigating
   A small number of customers with stacks in prod-us-central-4 are receiving "forbidden" errors when querying Prometheus data sources. We are investigating and will provide an update soon.
2. Oct 13, 2026, 20:01 UTC
   investigating
   We are continuing to investigate this issue.
3. Oct 13, 2026, 20:29 UTC
   monitoring
   We have put some mitigations in place which seem to have helped with the errors. We continue to monitor the results.
4. Oct 13, 2026, 20:46 UTC
   resolved
   This incident has been resolved. Thank you for your patience.

Updates as published by Grafana Cloud (original).