CVE-2026-40947
CVSS Score
2.9
EPSS Score
0.0%
EPSS Percentile
2th
Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.
| CWE | CWE-426 |
| Vendor | yubico |
| Product | libfido2 |
| Published | Apr 15, 2026 |
| Last Updated | Apr 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Yubico / libfido2
0 < 1.17.0
Yubico / python-fido2
0 < 2.2.0
Yubico / yubikey-manager
0 < 5.9.1