A vulnerability was found in Canonical LXD up to 5.0.7/5.21.5/6.9 . It has been rated as very critical . The impacted element is the function instancePostMigration of the file lxd/instance_post.go of the component Instance Migration . The manipulation leads to improper privilege management. This vulnerability is referenced as CVE-2026-63300 . Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.