Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
References:- https://github.com/keycloak/keycloak/security/advisories/GHSA-7fpj-9hr8-28vh
- https://nvd.nist.gov/vuln/detail/CVE-2023-0657
- https://access.redhat.com/errata/RHSA-2024:1867
- https://access.redhat.com/errata/RHSA-2024:1868
- https://access.redhat.com/security/cve/CVE-2023-0657
- https://bugzilla.redhat.com/show_bug.cgi?id=2166728
- https://github.com/advisories/GHSA-7fpj-9hr8-28vh