{"id":"CVE-2026-46419","aliases":["EUVD-2026-30211","GHSA-wq52-w6cx-5mg2"],"status":"published","title":"Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00308,"percentile":0.23822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-253"],"published":"2026-05-14T00:00:00Z","modified":"2026-10-28T02:30:24Z","products":[{"vendor":"yubico","product":"webauthn-server-core"}],"references":[{"url":"https://www.yubico.com/support/security-advisories/ysa-2026-02/","tags":["advisory"]},{"url":"https://github.com/Yubico/java-webauthn-server/releases/tag/2.8.2","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46419","tags":["advisory"]},{"url":"https://www.yubico.com/support/security-advisories/ysa-2026-02"},{"url":"https://github.com/advisories/GHSA-wq52-w6cx-5mg2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46419.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-46419","description":"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.","status":"published","published":"2026-05-14T00:00:00Z","modified":"2026-05-14T13:52:51.531Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T13:47:06.353366Z"}],"euvd":[{"id":"EUVD-2026-30211","description":"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.","status":"published","published":"2026-05-14T00:00:00Z","modified":"2026-05-14T13:52:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:04:31.113278Z"}],"ghsa":[{"id":"GHSA-wq52-w6cx-5mg2","title":"Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a...","description":"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.","status":"published","published":"2026-05-14T03:32:09Z","modified":"2026-05-14T06:31:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T15:08:08.28199Z"}],"nvd":[{"id":"CVE-2026-46419","description":"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.","status":"published","published":"2026-05-14T02:17:21.917Z","modified":"2026-10-26T14:10:00.13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"CVE-2026-46419","description":"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.","status":"published","published":"2026-05-14T00:00:00Z","modified":"2026-10-28T02:30:24.558381994Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T15:45:05.870292Z"}]}}