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CVE-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...

LOW CVSS 2.5

Published: April 16, 2026 | Last Modified: April 16, 2026

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.

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (2 articles)

Tenable CVEs
CVE-2026-40947
 CVE Feed
CVE-2026-40947 - Yubico YubiKey DLL Search Path Vulnerability

References