CVE-2026-40947_CVE-2026-40947

2.9 / 10

LOW

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Basic Information

ID CVE-2026-40947

Source mitre

Published Apr 15, 2026 at 23:13

Modified Apr 15, 2026 at 23:21

Affected Product

Vendor Yubico

Product libfido2

Affected Versions Yubico libfido2 0
Yubico python-fido2 0
Yubico yubikey-manager 0

CWE Classification

CWE-426

References

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

{
    "lastseen": "",
    "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.",
    "published": "2026-04-15T23:13:38.977Z",
    "modified": "2026-04-15T23:21:38.944Z",
    "type": "cve",
    "title": "CVE-2026-40947",
    "source": "mitre",
    "references": "https://www.yubico.com/support/security-advisories/ysa-2026-01/",
    "id": "CVE-2026-40947",
    "bulletinFamily": "",
    "cwe": [
        "CWE-426"
    ],
    "cvelist": null,
    "sourceData": "Yubico libfido2 0\nYubico python-fido2 0\nYubico yubikey-manager 0",
    "sourceHref": "",
    "cvss": {
        "score": 2.9,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "libfido2",
    "version": "0",
    "vendor": "Yubico",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}