CVE-2026-46419 HIGH

CVE-2026-46419

Vendor Yubico
Product webauthn-server-core
Weakness CWE-253
Published May 14, 2026
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 14, 2026 Record updated