keycloak is vulnerable to privilege escalation. The vulnerability exists due to a flaw in the default ECP binding flow which allows other authentication flows to be bypassed.
access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.5/
access.redhat.com/errata/RHSA-2022:0152
access.redhat.com/security/cve/CVE-2021-3827
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=2007512
github.com/keycloak/keycloak/commit/44000caaf5051d7f218d1ad79573bd3d175cad0d
github.com/keycloak/keycloak/security/advisories/GHSA-4pc7-vqv5-5r3v