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Python Fido2

1 CVEs product

Monthly

CVE-2026-40947 Apr 15, 23:13 LOW PATCH Monitor

Untrusted DLL search path vulnerability in Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 allows local attackers to achieve privilege escalation or code execution by placing a malicious DLL in a directory searched before the legitimate library location. The vulnerability requires local access and high complexity conditions but affects three widely-used FIDO2 authentication libraries; no public exploit code identified at time of analysis.

Python Information Disclosure Libfido2 Python Fido2 Yubikey Manager +1
NVD
CVSS 3.1
2.9
EPSS
0.0%
EPSS 0% CVSS 2.9
LOW PATCH Monitor

Untrusted DLL search path vulnerability in Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 allows local attackers to achieve privilege escalation or code execution by placing a malicious DLL in a directory searched before the legitimate library location. The vulnerability requires local access and high complexity conditions but affects three widely-used FIDO2 authentication libraries; no public exploit code identified at time of analysis.

Python Information Disclosure Libfido2 +3
NVD

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