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CVE-2025-13467

Good to know:

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Date: November 25, 2025

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.

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2025-13467
https://github.com/keycloak/keycloak/commit/754c070cf8ca187dcc71f0f72ff3130ff2195328
https://access.redhat.com/security/cve/CVE-2025-13467
https://access.redhat.com/errata/RHSA-2025:22091
https://bugzilla.redhat.com/show_bug.cgi?id=2416038
https://access.redhat.com/errata/RHSA-2025:22090
https://github.com/keycloak/keycloak/releases/tag/26.4.6
https://access.redhat.com/errata/RHSA-2025:22088
https://github.com/keycloak/keycloak
https://access.redhat.com/errata/RHSA-2025:22089
https://github.com/keycloak/keycloak/issues/44478
https://www.mend.io/vulnerability-database/CVE-2025-13467

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Top Fix

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Upgrade Version

Upgrade to version org.keycloak:keycloak-ldap-federation:26.2.11;org.keycloak:keycloak-ldap-federation:26.4.6;org.keycloak:keycloak-ldap-federation:26.4.6;https://github.com/keycloak/keycloak.git - 26.2.11;https://github.com/keycloak/keycloak.git - 26.4.6

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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