Velociraptor's SetClientMetadata used the wrong permission check to enforce setting metadata on the server. This allows a user with LABEL_CLIENTS permission to update the server metadata. Server metadata is often used to store site wide configuration data that should only be updated by the server admin.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-92523
http://docs.velociraptor.app/announcements/advisories/cve-2026-78411