CVE-2025-13467: Keycloak LDAP User Federation provider enables admin-triggered untrusted Java deserialization
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
References
- access.redhat.com/errata/RHSA-2025:22088
- access.redhat.com/security/cve/CVE-2025-13467
- bugzilla.redhat.com/show_bug.cgi?id=2416038
- github.com/advisories/GHSA-4hx9-48xh-5mxr
- github.com/keycloak/keycloak
- github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328
- github.com/keycloak/keycloak/issues/44478
- github.com/keycloak/keycloak/releases/tag/26.4.6
- github.com/keycloak/keycloak/security/advisories/GHSA-4hx9-48xh-5mxr
- nvd.nist.gov/vuln/detail/CVE-2025-13467
Code Behaviors & Features
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