Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Keycloak_authentication | Jenkins | * | 2.3.0 (including) |
Such a scenario is commonly observed when: