CVE-2026-21743

{"id": "CVE-2026-21743", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2026-02-10T16:16:10.903", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-528", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "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."}], "lastModified": "2026-02-12T16:05:15.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1683FD1-9BDE-4596-9DBC-F146922E022C", "versionEndExcluding": "6.6.7", "versionStartIncluding": "6.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}