CVE-2026-46419

HighCVSS 7.5/10Last modified Oct 26, 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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-253

Affected software

Vendor	Product	Versions
Yubico	webauthn-server-core	>= 2.8.0, < 2.8.2

References

Timeline

Published: May 14, 2026
Last modified: Oct 26, 2026
NVD status: Deferred

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