CVE-2026-46419

May 14, 2026, 6:31 p.m.

7.5
High

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.

Product(s) Impacted

Vendor Product Versions
Yubico
  • Webauthn-server-core
  • Java-webauthn-server
  • 2.8.0
  • 2.8.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-253
Incorrect Check of Function Return Value
The product incorrectly checks a return value from a function, which prevents it from detecting errors or exceptional conditions.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a yubico webauthn-server-core 2.8.0 / / / / / / /
a yubico java-webauthn-server 2.8.0 / / / / / / /

CVSS Score

7.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: May 14, 2026, 2:17 a.m.
Last Modified: May 14, 2026, 6:31 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.