{"id":"CVE-2026-21743","aliases":["EUVD-2026-6220","GHSA-73jp-396j-hc6q"],"status":"published","title":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6,...","description":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00373,"percentile":0.31638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-02-10T15:39:11Z","modified":"2026-06-17T10:18:59Z","products":[{"vendor":"fortinet","product":"fortiauthenticator"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-528","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21743"},{"url":"https://github.com/advisories/GHSA-73jp-396j-hc6q"}],"sources":{"cve":[{"id":"CVE-2026-21743","description":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.","status":"published","published":"2026-02-10T15:39:11.799Z","modified":"2026-02-12T00:27:03.41Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-6220","description":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.","status":"published","published":"2026-02-10T15:39:11Z","modified":"2026-02-12T00:27:03Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:40.418792Z"}],"ghsa":[{"id":"GHSA-73jp-396j-hc6q","title":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6,...","description":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.","status":"published","published":"2026-02-10T18:30:38Z","modified":"2026-02-10T18:30:49Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:06:07.19064Z"}],"nvd":[{"id":"CVE-2026-21743","description":"A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.","status":"published","published":"2026-02-10T16:16:10.903Z","modified":"2026-06-17T10:18:59.93Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:05.52517Z"}]}}