{"id":"CVE-2026-84391","aliases":[],"cve":{"records":[{"id":"CVE-2026-84391","source":"fortinet","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-01T16:36:11.927Z","published":"2026-09-08T16:41:50.685Z","modified":"2026-11-06T15:42:18.885Z"}],"publishers":[{"name":"fortinet","role":"CNA","organizationId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","modified":"2026-11-06T15:42:18.885Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-08T17:29:43.459Z"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-172","tags":[],"source":"fortinet"}],"weaknesses":[{"id":"CWE-457","description":"Denial of service","source":"fortinet"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-09-08T17:29:24.379449Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via SNMP GETBULK requests.","titleSource":"fortinet","descriptionSource":"fortinet","description":"A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via SNMP GETBULK requests.","score":5.9,"severity":"medium","published":"2026-09-08T16:41:50.685Z","modified":"2026-11-06T15:42:18.885Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Fortinet","name":"FortiAnalyzer","platforms":[],"versions":[{"version":"7.6.3","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"}],"defaultStatus":"unaffected","cpes":["cpe:2.3:o:fortinet:fortianalyzer:7.6.6:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortianalyzer:7.6.4:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortianalyzer:7.6.3:*:*:*:*:*:*:*"],"source":"fortinet","url":"https://www.cve.org/CVERecord?id=CVE-2026-84391"}],"remediation":[{"text":"Upgrade to FortiAnalyzer version 8.0.0 or above\nUpgrade to FortiAnalyzer version 7.6.7 or above","source":"fortinet","url":"https://www.cve.org/CVERecord?id=CVE-2026-84391"}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-26-172"],"sources":[{"name":"CVE","id":"CVE-2026-84391","modified":"2026-11-06T15:42:18.885Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-84391"}],"assessments":[{"source":"fortinet","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","score":5.9}],"sourceAffected":[],"observedAt":"2026-11-06T16:06:23.864Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:30:32.029Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-08T11:10:37.028Z","attemptedAt":"2026-11-08T11:10:37.028Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-08T11:10:36.995Z","attemptedAt":"2026-11-08T11:10:36.995Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-08T11:10:38.981Z","attemptedAt":"2026-11-08T11:10:38.981Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-08T11:10:35.895Z","attemptedAt":"2026-11-08T11:10:35.895Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-84391","url":"https://www.first.org/epss/","probability":0.00411,"percentile":0.35597,"date":"2026-11-07","checkedAt":"2026-11-08T11:10:35.895Z"},{"source":"GitHub Advisory Database","id":"GHSA-f3rw-5qfx-8w2r","url":"https://github.com/advisories/GHSA-f3rw-5qfx-8w2r","modified":"2026-09-08T18:32:09Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-08T11:10:36.995Z"},{"source":"NVD","id":"CVE-2026-84391","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84391","modified":"2026-11-06T16:18:59.473","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-08T11:10:37.028Z"},{"source":"ENISA EUVD","id":"EUVD-2026-72928","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-72928","modified":"Nov 6, 2026, 3:42:18 PM","score":5.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","checkedAt":"2026-11-08T11:10:38.981Z"}],"aiSummary":{"text":"A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer versions 7.6.3 through 7.6.6 may allow an attacker to cause a denial of service via SNMP GETBULK requests. The attacker needs access to send these requests. The stated impact is a denial of service.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-06T16:41:15.715Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-84391"}]}}