Emergency Hypervisor maintenance - every cluster - 21-10-2026

Scheduled Maintenance Report for Taiga Cloud status page

Update

We are continuing to make progress and upgrading our hypervisor estate. Due to the scale of the maintenance the process is taking some time. We will continue to monitor progress and provide update to customers as we work through VMs.
Posted Oct 21, 2026 - 15:32 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Oct 21, 2026 - 12:00 UTC

Scheduled

We found out that there is an open CVE with score 9.3 (remotely exploitable > 9) with an exploit already open in the wild.
It allows breakout of the VM of an Hypervisor with root access.

Maintenance start: 21-10-2026 12:00 UTC

Total time to implement:
Shutdown VMs: 5mins
Hypervisor upgrade: 15mins
Hypervisor installer: 20mins
VM migration: 2mins
Validation: 5mins
Total: 47 mins per hypervisor


Steps to rollback:
Rollback to previous image iso_base_image: /srv/ci-installer/base/latest.iso
Re-run Hypervisor installer
If theres an error migrating the VM it's pure volume should still be available.
Posted Oct 20, 2026 - 21:50 UTC
This scheduled maintenance affects: Taiga Cloud Network (Availability Sweden (cluster ndcloud-arcticcircle), Availability Sweden (cluster ndcloud-arcticband), Availability Norway (cluster ndcloud-odin), Availability Norway (cluster ndcloud-heimdall), Availability Sweden (cluster ndcloud-freyr), Availability Sweden (cluster ndcloud-loki), Availability Sweden (cluster ndcloud-thor), Availability Sweden (cluster ndcloud-ragnar)).