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CVE-2025-13467

Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation

Published: Nov 25, 2025Updated: Dec 23, 2025 Sources: CVE List NVD GHSACWE-502
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.4%
Top 69.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

KeycloakKeycloak
On-prem
Security Products / identity-access-mgmt
Red Hat build of Keycloak 26.2Red Hat
On-prem
Operating Systems / linux-distro
Red Hat build of Keycloak 26.2.11Red Hat
On-prem
Operating Systems / linux-distro
Red Hat build of Keycloak 26.4Red Hat
On-premWeb App
Web & CMS Plugins
Red Hat build of Keycloak 26.4.6Red Hat
On-prem
Operating Systems / linux-distro
keycloakoss-projectSecurity Productsaka keycloak-nodejs-auth-utils
red hatcommercialUSOperating Systemsaka red hat
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2025:22088
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:22089
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:22090
access.redhat.com
and 10 more references View all →

Timeline

Published
Nov 25, 2025
Last Updated
Dec 23, 2025

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