CVE-2026-46419
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-253 |
| Vendor | yubico |
| Product | webauthn-server-core |
| Published | May 14, 2026 |
| Last Updated | May 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Yubico / webauthn-server-core
2.8.0 < 2.8.2