CVE-2025-13467
Org.keycloak.storage.ldap: keycloak: deserialization of untrusted data in ldap user federation
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.
INFO
Published Date :
Nov. 25, 2025, 4:16 p.m.
Last Modified :
Nov. 25, 2025, 10:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Keycloak server to the latest secure version.
- Review and validate all LDAP server configurations.
- Ensure LDAP servers are trusted and properly secured.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-13467.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-13467 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-13467
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-13467 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-13467 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Nov. 25, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:22088 -
CVE Modified by [email protected]
Nov. 25, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:22090 -
New CVE Received by [email protected]
Nov. 25, 2025
Action Type Old Value New Value 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. Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N Added CWE CWE-502 Added Reference https://access.redhat.com/errata/RHSA-2025:22089 Added Reference https://access.redhat.com/errata/RHSA-2025:22091 Added Reference https://access.redhat.com/security/cve/CVE-2025-13467 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2416038