CVE-2026-46419

7.5 HIGH

Published: May 14, 2026 Modified: May 14, 2026

Description

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.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://www.yubico.com/support/security-advisories/ysa-2026-02/

Source: cve@mitre.org

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-253

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