{"id":"CVE-2026-106174","state":"PUBLISHED","title":"A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of","description":"A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.","publishedAt":"2026-10-27T06:54:54.066Z","updatedAt":"2026-10-27T10:13:38.390Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","source":"fortinet"},"assigner":"fortinet","products":["Fortinet FortiOS"],"affected":[{"vendor":"Fortinet","product":"FortiOS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected"},{"version":"7.6.4","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"}],"cpes":["cpe:2.3:o:fortinet:fortios:8.0.0:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*"]}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-26-181"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106174.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106174","state":"PUBLISHED","datePublished":"2026-10-27T06:54:54.066Z","dateUpdated":"2026-10-27T10:13:38.390Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2026-10-06T16:19:47.763Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests."}],"affected":[{"vendor":"Fortinet","product":"FortiOS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected"},{"version":"7.6.4","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"}],"cpes":["cpe:2.3:o:fortinet:fortios:8.0.0:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*","cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*"]}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-181","name":"https://fortiguard.fortinet.com/psirt/FG-IR-26-181"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","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:P/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","lang":"en","description":"Denial of service","type":"CWE"}]}],"providerMetadata":{"shortName":"fortinet","orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateUpdated":"2026-10-27T06:54:54.066Z"},"solutions":[{"lang":"en","value":"Upgrade to FortiOS version 8.0.1 or above\nUpgrade to FortiOS version 7.6.7 or above"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-27T10:13:16.314590Z","id":"CVE-2026-106174","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-27T10:13:38.390Z"}}]}}}