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CVE-2026-39811

🗓️ 14 Apr 2026 15:38:20Reported by fortinetType 
cve
 cve
🔗 web.nvd.nist.gov👁 31 Views

CVE-2026-39811: integer overflow in FortiWeb causes denial of service.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Fortinet FortiWeb 输入验证错误漏洞
14 Apr 202600:00
cnnvd
Cvelist
CVE-2026-39811
14 Apr 202615:38
cvelist
EUVD
EUVD-2026-22340
14 Apr 202618:30
euvd
NVD
CVE-2026-39811
14 Apr 202616:16
nvd
Positive Technologies
PT-2026-32690
14 Apr 202600:00
ptsecurity
Vulnrichment
CVE-2026-39811
14 Apr 202615:38
vulnrichment
Zero Day Initiative
Fortinet FortiWeb cgi_buf_alloc Integer Overflow Denial-of-Service Vulnerability
15 Apr 202600:00
zdi
NVD
Node
fortinetfortiwebRange7.0.07.0.13
OR
fortinetfortiwebRange7.2.07.2.13
OR
fortinetfortiwebRange7.4.07.4.12
OR
fortinetfortiwebRange7.6.07.6.7
OR
fortinetfortiwebRange8.0.08.0.4
[
  {
    "vendor": "Fortinet",
    "product": "FortiWeb",
    "cpes": [
      "cpe:2.3:a:fortinet:fortiweb:8.0.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:8.0.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:8.0.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:8.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.6:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.5:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.4:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.12:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.11:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.10:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.9:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.12:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.11:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.10:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.9:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.8:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.7:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.6:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.5:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.4:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.12:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.11:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.10:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.9:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.8:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.7:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.6:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.5:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.4:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.3:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*",
      "cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "version": "8.0.0",
        "lessThanOrEqual": "8.0.3",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "7.6.0",
        "lessThanOrEqual": "7.6.6",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "7.4.0",
        "lessThanOrEqual": "7.4.12",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "7.2.0",
        "lessThanOrEqual": "7.2.12",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "7.0.0",
        "lessThanOrEqual": "7.0.12",
        "status": "affected"
      }
    ]
  }
]

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21 Apr 2026 17:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.9
EPSS0.00139
SSVC
31