{"id":"CVE-2026-84391","state":"PUBLISHED","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 <insert attack vector here>","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 <insert attack vector here>","publishedAt":"2026-09-08T16:41:50.685Z","updatedAt":"2026-09-08T17:29:43.459Z","severity":{"score":5.9,"label":"Medium","version":"3.1","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","source":"fortinet"},"assigner":"fortinet","products":["Fortinet FortiAnalyzer"],"affected":[{"vendor":"Fortinet","product":"FortiAnalyzer","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"}],"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:*:*:*:*:*:*:*"]}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-26-172"],"weaknesses":["CWE-457"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84391.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84391","state":"PUBLISHED","datePublished":"2026-09-08T16:41:50.685Z","dateUpdated":"2026-09-08T17:29:43.459Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2026-09-01T16:36:11.927Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>"}],"affected":[{"vendor":"Fortinet","product":"FortiAnalyzer","defaultStatus":"unaffected","versions":[{"version":"7.6.3","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"}],"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:*:*:*:*:*:*:*"]}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-172","name":"https://fortiguard.fortinet.com/psirt/FG-IR-26-172"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-457","lang":"en","description":"Denial of service","type":"CWE"}]}],"providerMetadata":{"shortName":"fortinet","orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateUpdated":"2026-09-08T16:41:50.685Z"},"solutions":[{"lang":"en","value":"Upgrade to FortiAnalyzer version 8.0.0 or above\nUpgrade to FortiAnalyzer version 7.6.7 or above"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T17:29:24.379449Z","id":"CVE-2026-84391","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T17:29:43.459Z"}}]}}}