CVE-2026-46419

Published: Mag 14, 2026 Last Modified: Mag 14, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

253

Incorrect Check of Function Return Value

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity
Potential Impacts:
Unexpected State Dos: Crash, Exit, Or Restart
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Low
View CWE Details
https://www.yubico.com/support/security-advisories/ysa-2026…
https://www.yubico.com/support/security-advisories/ysa-2026-02/