CVE-2026-2366

lowpriority · track · 0EPSS 0.003 · 19 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 3.1 · low

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-23

A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.

cvss

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

3.1

010

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

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · secalert@redhat.com USexploitability 1.6 · impact 1.4

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.12.9lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/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-639USCWE-639US

affected products (11)

Products and version ranges known to be affected.

Open Source Keycloak <26.5.3all versionscert_bundDE
Open Source Keycloak <26.5.6all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Open Source Keycloak< 26.5.3cert_bundDE
Open Source Keycloak< 26.5.6cert_bundDE
Red Hat Red Hat build of Keycloak 26.4< 26.4-14enisa_euvdEU
Red Hat Red Hat build of Keycloak 26.4< 26.4.11-1enisa_euvdEU
redhat build of keycloak26.4 → 26.4.11nvdUScpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*
Bitnami keycloak26.4.0 → 26.4.11osvUSpkg:bitnami/keycloak
Maven org.keycloak:keycloak-js-admin-client≤ 26.5.5osvUSpkg:maven/org.keycloak/keycloak-js-admin-client
npm @keycloak/keycloak-admin-client≤ 26.5.5osvUSpkg:npm/%40keycloak/keycloak-admin-client

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0394Keycloak: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2026-02-11csaf · cert_bundDE
Ein lokaler, oder entfernter authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Informationen offenzulegen.
GHSA-r8jr-wg88-fq5cKeycloak vulnerable to authorization bypass via the Admin API2026-03-12ghsa · osvUS
A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.
BIT-keycloak-2026-2366Keycloak: keycloak: information disclosure via authorization bypass in admin api2026-08-25vendor · osvUS
A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2026-03-12modified 2026-08-18

references (13)

External citations — patches, advisories, analysis.

scry

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