CVE-2025-12150

LowCVSS 3.1/10Last modified Aug 10, 2026

Description

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.

Metrics

CVSS 3.1 3.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-347

Affected software

No affected versions have been published.

Timeline

Published
Feb 27, 2026
Last modified
Aug 10, 2026
NVD status
Analyzed

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CVE-2025-12150: Low severity, CVSS 3.1 | Vulnix