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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation."}], "id": "CVE-2026-46419", "lastModified": "2026-05-14T04:17:02.510", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-05-14T02:17:21.917", "references": [{"source": "cve@mitre.org", "url": "https://github.com/Yubico/java-webauthn-server/releases/tag/2.8.2"}, {"source": "cve@mitre.org", "url": "https://www.yubico.com/support/security-advisories/ysa-2026-02/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-253"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"created": "2026-05-14T03:30:10.716827+00:00", "title": "Impersonation Vulnerability in Yubico WebAuthn Server Core 2.8.0\u20132.8.1", "updated": "2026-05-14T03:30:10.716860+00:00", "vendors": []}