CVE-2026-46419

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CVSS 3.1

7.5 high

EPSS

<1%p23

Published

May 14, 2026 (May 14, 2026)

Modified

Jun 17, 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.

Weakness: CWE-253
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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