Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.4%
exploitation probability
0.4%top 63% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Affected products
Keycloak · KeycloakRed Hat · Red Hat build of Keycloak 26.2Red Hat · Red Hat build of Keycloak 26.2.11Red Hat · Red Hat build of Keycloak 26.4Red Hat · Red Hat build of Keycloak 26.4.6References
https://access.redhat.com/errata/RHSA-2025:22088https://access.redhat.com/errata/RHSA-2025:22089https://access.redhat.com/errata/RHSA-2025:22090https://access.redhat.com/errata/RHSA-2025:22091https://access.redhat.com/security/cve/CVE-2025-13467https://bugzilla.redhat.com/show_bug.cgi?id=2416038https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328https://github.com/keycloak/keycloak/issues/44478