{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84389", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-09-01T16:36:09.518Z", "datePublished": "2026-09-08T16:41:45.842Z", "dateUpdated": "2026-09-08T17:39:16.073Z"}, "containers": {"cna": {"affected": [{"vendor": "Fortinet", "product": "FortiSIEM", "cpes": ["cpe:2.3:a:fortinet:fortisiem:7.5.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.4.1:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "versions": [{"versionType": "semver", "version": "7.5.0", "lessThanOrEqual": "7.5.1", "status": "affected"}, {"versionType": "semver", "version": "7.4.1", "lessThanOrEqual": "7.4.2", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiSIEM 7.5.0 through 7.5.1, FortiSIEM 7.4.1 through 7.4.2 may allow attacker to execute unauthorized code or commands via <insert attack vector here>"}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-09-08T16:41:45.842Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-601", "description": "Execute unauthorized code or commands", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.8, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C"}}], "solutions": [{"lang": "en", "value": "Upgrade to upcoming FortiSIEM version 7.6.0 or above\nUpgrade to upcoming FortiSIEM version 7.5.2 or above"}], "references": [{"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-169", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-169"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-08T17:38:53.233356Z", "id": "CVE-2026-84389", "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": "2026-09-08T17:39:16.073Z"}}]}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:fortinet:fortisiem:7.5.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisiem:7.4.1:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "FortiSIEM", "vendor": "Fortinet", "versions": [{"lessThanOrEqual": "7.5.1", "status": "affected", "version": "7.5.0", "versionType": "semver"}, {"lessThanOrEqual": "7.4.2", "status": "affected", "version": "7.4.1", "versionType": "semver"}]}], "source": "psirt@fortinet.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiSIEM 7.5.0 through 7.5.1, FortiSIEM 7.4.1 through 7.4.2 may allow attacker to execute unauthorized code or commands via <insert attack vector here>"}], "id": "CVE-2026-84389", "lastModified": "2026-09-08T17:18:37.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "psirt@fortinet.com", "type": "Secondary"}]}, "published": "2026-09-08T17:18:37.410", "references": [{"source": "psirt@fortinet.com", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-169"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "psirt@fortinet.com", "type": "Primary"}]}

{}

{"created": "2026-09-08T17:30:05.332835+00:00", "title": "Open Redirect in Fortinet FortiSIEM May Enable Unauthorized Code Execution", "updated": "2026-09-08T17:30:05.332843+00:00", "vendors": []}