CVE-2026-40947

{"id": "CVE-2026-40947", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40947", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-16T13:18:06.500345Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.9, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.4}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Yubico", "product": "libfido2", "versions": [{"status": "affected", "version": "0", "lessThan": "1.17.0", "versionType": "semver"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "Yubico", "product": "python-fido2", "versions": [{"status": "affected", "version": "0", "lessThan": "2.2.0", "versionType": "semver"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "Yubico", "product": "yubikey-manager", "versions": [{"status": "affected", "version": "0", "lessThan": "5.9.1", "versionType": "semver"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}]}], "published": "2026-04-16T00:16:29.223", "references": [{"url": "https://www.yubico.com/support/security-advisories/ysa-2026-01/", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-426"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Yubico libfido2 anterior a 1.17.0, python-fido2 anterior a 2.2.0, y yubikey-manager anterior a 5.9.1 tienen una ruta de b\u00fasqueda de DLL no intencionada."}], "lastModified": "2026-10-26T21:10:00.170", "sourceIdentifier": "cve@mitre.org"}