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.
History

Tue, 25 Nov 2025 21:45:00 +0000

Type Values Removed Values Added
References

Tue, 25 Nov 2025 17:15:00 +0000

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Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 25 Nov 2025 16:45:00 +0000

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References

Tue, 25 Nov 2025 16:15:00 +0000

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Title org.keycloak.storage.ldap: Keycloak: Deserialization of Untrusted Data in LDAP User Federation Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation
First Time appeared Redhat
Redhat build Keycloak
CPEs cpe:/a:redhat:build_keycloak:26.2::el9
cpe:/a:redhat:build_keycloak:26.4::el9
Vendors & Products Redhat
Redhat build Keycloak
References

Thu, 20 Nov 2025 12:15:00 +0000

Type Values Removed Values Added
Description 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.
Title org.keycloak.storage.ldap: Keycloak: Deserialization of Untrusted Data in LDAP User Federation
Weaknesses CWE-502
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}

threat_severity

Moderate


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-11-25T16:02:21.105Z

Updated: 2025-11-25T21:30:06.491Z

Reserved: 2025-11-20T03:12:40.336Z

Link: CVE-2025-13467

cve-icon Vulnrichment

Updated: 2025-11-25T16:28:27.482Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-25T16:16:06.623

Modified: 2025-11-25T22:16:16.690

Link: CVE-2025-13467

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-11-20T00:00:00Z

Links: CVE-2025-13467 - Bugzilla