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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 16, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-40947

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-40947

  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.

  nvd.nist.gov

References

• Reference · yubico.com