CVE-2026-46419 | THREATINT

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.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-14 | Updated 2026-05-14 | Assigner mitre

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

Problem types

CWE-253 Incorrect Check of Function Return Value

Product status

Default status
unaffected

2.8.0 (semver) before 2.8.2
affected

References

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

cve.org (CVE-2026-46419)

nvd.nist.gov (CVE-2026-46419)

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