CVE-2026-40947

April 17, 2026, 3:38 p.m.

2.9
Low

Description

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.

Product(s) Impacted

Vendor Product Versions
Yubico
  • Libfido2
  • Python-fido2
  • Yubikey-manager
  • <1.17.0
  • <2.2.0
  • <5.9.1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-426
Untrusted Search Path
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.

*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 libfido2 <1.17.0 / / / / / / /
a yubico python-fido2 <2.2.0 / / / / / / /
a yubico yubikey-manager <5.9.1 / / / / / / /

CVSS Score

2.9 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: LOW
  • Availability Impact: NONE
  • CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

    View Vector String

Timeline

Published: April 16, 2026, 12:16 a.m.
Last Modified: April 17, 2026, 3:38 p.m.

Status : Awaiting Analysis

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.