CVE-2026-46419

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.

CVSS Vector

References

• https://github.com/Yubico/java-webauthn-server/releases/tag/2.8.2
• https://www.yubico.com/support/security-advisories/ysa-2026-02/