CVE-2025-13467

mediumpriority · track · 0EPSS 0.005 · 41 %ileDEEUJPUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (41st) EPSS

CVSS 5.5 · medium

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Nsecondary · secalert@redhat.com USexploitability 2.3 · impact 2.7

v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502US

affected products (12)

Products and version ranges known to be affected.

Open Source Keycloakall versionscert_bundDEcpe:/a:keycloak:keycloak:-
Open Source Keycloak <26.4.6all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Open Source Keycloak< 26.4.6cert_bundDE
KeyCloak0 → 26.4.6enisa_euvdEU
Red Hat build of Keycloak 26.2< 26.2-12enisa_euvdEU
Red Hat build of Keycloak 26.2< 26.2.11-1enisa_euvdEU
Red Hat build of Keycloak 26.4< 26.4-5enisa_euvdEU
Red Hat build of Keycloak 26.4< 26.4-6enisa_euvdEU
Red Hat build of Keycloak 26.4< 26.4.6-1enisa_euvdEU
Maven org.keycloak:keycloak-ldap-federation< 26.2.11osvUSpkg:maven/org.keycloak/keycloak-ldap-federation
Maven org.keycloak:keycloak-ldap-federation26.3.0 → 26.4.6osvUSpkg:maven/org.keycloak/keycloak-ldap-federation

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2650Keycloak: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2025-11-19csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Informationen offenzulegen.
GHSA-4hx9-48xh-5mxrKeycloak LDAP User Federation provider enables admin-triggered untrusted Java deserialization2025-12-19ghsa · osvUS
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. ### Mitigation Disable LDAP referrals in all LDAP user providers in all realms if projects cannot upgrade to the patched versions.
JVNDB-2026-026852JVN iPedia advisory JVNDB-2026-0268522026-08-05vendor · jvndbJP

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv jvndb NVD CVE.org MITRE

published 2025-11-25modified 2026-10-18

references (22)

External citations — patches, advisories, analysis.

scry

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