{"id":"CVE-2026-46419","details":"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.","modified":"2026-07-15T01:49:14.540179068Z","published":"2026-05-14T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46419.json","cna_assigner":"mitre","cwe_ids":["CWE-253"]},"references":[{"type":"WEB","url":"https://github.com/Yubico/java-webauthn-server/releases/tag/2.8.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46419.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46419"},{"type":"ADVISORY","url":"https://www.yubico.com/support/security-advisories/ysa-2026-02/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/yubico/java-webauthn-server","events":[{"introduced":"4b5df788b0428207fd6ada40979683a4842d0144"},{"fixed":"6f92b2a4e130ceafc13d90dafc4178435a0be354"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"2.8.0"},{"fixed":"2.8.2"}]}}],"versions":["2.8.1","2.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46419.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}