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THREAT OPS › Threat News › [NVD] CVE-2025-12150 (LOW 3.1) — 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 confi

[NVD] CVE-2025-12150 (LOW 3.1) — 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 confi

lownvdPublished 2026-02-27

CVE-2025-12150 CVSS: 3.1 LOW Published: 2026-02-27T09:16:15.227

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 w

Indicators of compromise

CVE-2025-12150cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-12150