CVE-2025-134675.5MediumCWE-502

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

Keycloak

Vendor fix available · Affected: Keycloak · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.5%probability of exploitation in the next 30 days

41st percentile

050100

Higher than 41% of scored CVEs

5.5MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products9

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Keycloak · Keycloakbefore 26.4.6
Red Hat · Red Hat build of Keycloak 26.2Versions not stated
Red Hat · Red Hat build of Keycloak 26.2Versions not stated
Red Hat · Red Hat build of Keycloak 26.2Versions not stated
Red Hat · Red Hat build of Keycloak 26.2.11Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4.6Versions not stated

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Deserialization of Untrusted Data · Deserialization and Object Injection
Vendor: Keycloak
Published: November 2025
Band: Unlikely (under 1%), November 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-13467 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.