{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126257", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-11-10T20:10:07.651Z", "datePublished": "2026-11-11T21:31:50.497Z", "dateUpdated": "2026-11-11T21:31:50.497Z"}, "containers": {"cna": {"affected": [{"vendor": "Fortinet", "product": "FortiAuthenticator", "cpes": ["cpe:2.3:a:fortinet:fortiauthenticator:8.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.10:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.9:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.7:*:*:*:*:*:*:*", "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:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "versions": [{"versionType": "semver", "version": "8.0.0", "lessThanOrEqual": "8.0.3", "status": "affected"}, {"versionType": "semver", "version": "6.6.0", "lessThanOrEqual": "6.6.10", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A use of hard-coded password vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass credential validation in certain circumstances outside of the attacker's control and gain unauthorized access."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-11-11T21:31:50.497Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-259", "description": "Escalation of privilege", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C"}}], "solutions": [{"lang": "en", "value": "Upgrade to FortiAuthenticator version 8.0.4 or above\nUpgrade to FortiAuthenticator version 6.6.11 or above"}], "references": [{"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-271", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-271"}]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:fortinet:fortiauthenticator:8.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:8.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.10:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.9:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortiauthenticator:6.6.7:*:*:*:*:*:*:*", "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:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "FortiAuthenticator", "vendor": "Fortinet", "versions": [{"lessThanOrEqual": "8.0.3", "status": "affected", "version": "8.0.0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.10", "status": "affected", "version": "6.6.0", "versionType": "semver"}]}], "source": "psirt@fortinet.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use of hard-coded password vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass credential validation in certain circumstances outside of the attacker's control and gain unauthorized access."}], "id": "CVE-2026-126257", "lastModified": "2026-11-12T19:14:29.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "psirt@fortinet.com", "type": "Secondary"}]}, "published": "2026-11-11T22:17:25.930", "references": [{"source": "psirt@fortinet.com", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-271"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-259"}], "source": "psirt@fortinet.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.6.0,6.6.10]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "FortiAuthenticator", "source": "cna", "vendor": "Fortinet"}, "product": "fortiauthenticator", "vendor": "fortinet"}], "created": "2026-11-12T16:45:05.965267+00:00", "title": "Hard\u2011Coded Password Enables Unauthenticated Authorization Bypass on FortiAuthenticator", "updated": "2026-11-13T16:30:04.643112+00:00", "vendors": ["fortinet", "fortinet$PRODUCT$fortiauthenticator"]}