{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126237", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-11-10T20:09:35.016Z", "datePublished": "2026-11-11T21:31:22.149Z", "dateUpdated": "2026-11-11T21:31:22.149Z"}, "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 loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-11-11T21:31:22.149Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-835", "description": "Denial of service", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/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-26-252", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-252"}]}}}

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