CVE-2026-121526

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121526", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-11-03T14:32:06.815Z", "datePublished": "2026-11-11T21:31:49.831Z", "dateUpdated": "2026-11-12T15:28:10.190Z"}, "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:*:*:*:*:*:*:*", "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:*:*:*:*:*:*:*"], "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"}, {"versionType": "semver", "version": "6.5.0", "lessThanOrEqual": "6.5.7", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A url redirection to untrusted site ('open redirect') 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 perform an open redirect attack via crafted HTTP requests."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-11-11T21:31:49.831Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-601", "description": "Execute unauthorized code or commands", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/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-26-191", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-191"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T14:28:22.641639Z", "id": "CVE-2026-121526", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-12T15:28:10.190Z"}}]}}

{}

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{}

{"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]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.5.0,6.5.7]"}}], "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": "2026-11-12T12:45:02.745742+00:00", "updated": "2026-11-13T11:30:08.016979+00:00", "vendors": ["fortinet", "fortinet$PRODUCT$fortiauthenticator"]}