CVE-2026-105213 [HIGH] – ZITADEL 4.x before 4.17.1 does not check an organization’s inactive state during Login V2

ZITADEL 4.x before 4.17.1 does not check an organization’s inactive state during Login V2 authentication, verifying only the individual user’s status. Users of a deactivated organization who hold valid credentials, an existing session, or a refresh token can still sign in, create sessions, and obtain or refresh tokens.