Emergency Hypervisor maintenance - every cluster - 20-10-2026

Scheduled Maintenance Report for Taiga Cloud status page

Completed

The scheduled maintenance has been completed.
Posted Oct 20, 2026 - 21:47 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Oct 20, 2026 - 17:30 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: 20-10-2026 17:30 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 - 15:02 UTC
This scheduled maintenance affected: Taiga Cloud Network (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)).