CVE-2026-40947

State: Published
Severity: 2.9 Low
Published: Apr 15, 2026
Updated: Apr 16, 2026
Reserved: Apr 15, 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.

Scores

CVSS	Score	Vector	Source
3.1	2.9 Low	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N	mitre

Weaknesses

CWE-426 Untrusted Search Path

Affected Products

Product	Versions
libfido2Yubico	before 1.17.0Affected
python-fido2Yubico	before 2.2.0Affected
yubikey-managerYubico	before 5.9.1Affected

References

https://www.yubico.com/support/security-advisories/ysa-2026-01/

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