CVE-2026-106174

Full vulnerability record from the local CVENow database.

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.

Severity

HIGH

CVSS score

7.5 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-10-27 07:16:32.040000

Last modified

2026-10-27 15:09:59.900000

View original CVE JSON

{
  "id": "CVE-2026-106174",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-27T07:16:32.040",
  "lastModified": "2026-10-27T15:09:59.900",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "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": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Fortinet",
          "product": "FortiOS",
          "defaultStatus": "unaffected",
          "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:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "8.0.0",
              "status": "affected"
            },
            {
              "version": "7.6.4",
              "lessThanOrEqual": "7.6.6",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-27T10:13:16.314590Z",
          "id": "CVE-2026-106174",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-181",
      "source": "[email protected]"
    }
  ]
}