CVE-2025-13467 MEDIUM

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

Vendor Keycloak
Product Keycloak
Weakness CWE-502 · Unsafe deserialization
Published November 25, 2025
Last update December 23, 2025

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 25, 2025 CVE published
December 23, 2025 Record updated