{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21743","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","state":"PUBLISHED","assignerShortName":"fortinet","dateReserved":"2026-01-05T14:17:53.224Z","datePublished":"2026-02-10T15:39:11.799Z","dateUpdated":"2026-02-12T00:27:03.410Z"},"containers":{"cna":{"affected":[{"vendor":"Fortinet","product":"FortiAuthenticator","cpes":["cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.6.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.7:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.5.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.11:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.10:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.9:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.8:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.7:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.4.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiauthenticator:6.3.0:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","versions":[{"versionType":"semver","version":"6.6.0","lessThanOrEqual":"6.6.6","status":"affected"},{"versionType":"semver","version":"6.5.0","lessThanOrEqual":"6.5.7","status":"affected"},{"versionType":"semver","version":"6.4.0","lessThanOrEqual":"6.4.11","status":"affected"},{"versionType":"semver","version":"6.3.0","lessThanOrEqual":"6.3.5","status":"affected"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","shortName":"fortinet","dateUpdated":"2026-02-12T00:27:03.410Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-862","description":"Improper access control","type":"CWE"}]}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"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"}}],"solutions":[{"lang":"en","value":"Upgrade to FortiAuthenticator version 8.0.0 or above\nUpgrade to FortiAuthenticator version 6.6.7 or above"}],"references":[{"name":"https://fortiguard.fortinet.com/psirt/FG-IR-25-528","url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-528"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T16:26:05.549911Z","id":"CVE-2026-21743","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-10T16:26:12.930Z"}}]}}