BIT-KEYCLOAK-2026-16071 Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary

A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name DN. Due to missing validation, the system allows lookups...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the URL references when following referrals. An attacker can manipulate application behavior by configuring a malicious LDAP server and triggering deserialization of untrusted Java objects as an...

CVE-2025-13467 Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation

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...

CVE-2022-2232 Keycloak: ldap injection on username input

A flaw was found in the Keycloak package. This flaw allows an attacker to utilize an LDAP injection to bypass the username lookup or potentially perform other malicious actions...

LDAP Injection

keycloak-ldap-federation, keycloak-services is vulnerable to LDAP Injection. The vulnerability is due to the getFilterById function in LDAPOperationManager.java and getUserFromForm function in AbstractUsernameFormAuthenticator.java. This allows an attacker to manipulate the LDAP query in...

CVE-2019-14909

A vulnerability was found in Keycloak 7.x where the user federation LDAP bind type is none LDAP anonymous bind, any password, invalid or valid will be accepted...