CVE-2025-12150

lowpriority · track · 12EPSS 0.002 · 14 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (14th) EPSS

CVSS 3.1 · low

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.

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:N/UI:R/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 1.6 · impact 1.4

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

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

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

v3.12.9lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/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-347USCWE-347US

affected products (14)

Products and version ranges known to be affected.

Open Source Keycloak Red Hat Build <26.4all versionscert_bundDE
Open Source Keycloak Red Hat Build <26.4.4all versionscert_bundDE
Open Source Keycloak≤ Red Hat Build <26.4cert_bundDE
Open Source Keycloak≤ Red Hat Build <26.4.4cert_bundDE
KeyCloak0 → 26.4.4enisa_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< 26.4-3enisa_euvdEU
Red Hat build of Keycloak 26.4< 26.4.4-1enisa_euvdEU
redhat build of keycloakall versionsnvdUScpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*
redhat build of keycloak< 26.4.4nvdUScpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*
redhat keycloak= 24.0.2nvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Bitnami keycloak< 26.4.4osvUSpkg:bitnami/keycloak
Maven org.keycloak:keycloak-services< 26.4.4osvUSpkg:maven/org.keycloak/keycloak-services

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2606Keycloak: Mehrere SchwachstellenDeutsch2025-11-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um beliebigen Programmcode auszuführen, und um Sicherheitsvorkehrungen zu umgehen.
GHSA-7g5x-9c4v-4w5rKeycloak REST Services has a WebAuthn Attestation Statement Verification Bypass2026-02-27ghsa · osvUS
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.
BIT-keycloak-2025-12150Org.keycloak/keycloak-services: webauthn attestation statement verification bypass2026-08-25vendor · osvUS
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.

also known as (5)

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 2026-02-27modified 2026-08-10

references (21)

External citations — patches, advisories, analysis.

scry

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