FKIE_CVE-2026-39808

Vulnerability from fkie_nvd - Published: 2026-04-14 16:16 - Updated: 2026-07-17 05:16
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via <insert attack vector here>
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-100Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/samu-delucas/CVE-2026-39808Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808US Government Resource
Impacted products
Vendor Product Version
fortinet fortisandbox *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiSandbox",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "4.4.8",
              "status": "affected",
              "version": "4.4.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:fortinet:fortisandboxpaas:23.4.4374:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:23.4.4350:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:23.3.4329:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:23.1.4245:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:22.2.4151:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:22.2.4134:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:22.1.4113:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:21.4.4072:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandboxpaas:21.3.4055:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiSandbox PaaS",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "23.4.4374"
            },
            {
              "status": "affected",
              "version": "23.4.4350"
            },
            {
              "status": "affected",
              "version": "23.3.4329"
            },
            {
              "status": "affected",
              "version": "23.1.4245"
            },
            {
              "status": "affected",
              "version": "22.2.4151"
            },
            {
              "status": "affected",
              "version": "22.2.4134"
            },
            {
              "status": "affected",
              "version": "22.1.4113"
            },
            {
              "status": "affected",
              "version": "21.4.4072"
            },
            {
              "status": "affected",
              "version": "21.3.4055"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "cisaActionDue": "2026-07-19",
  "cisaExploitAdd": "2026-07-16",
  "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
  "cisaVulnerabilityName": "Fortinet FortiSandbox OS Command Injection Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "94FFE14D-51FF-4D31-A0FD-5B0877081A04",
              "versionEndIncluding": "4.4.9",
              "versionStartIncluding": "4.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper neutralization of special elements used in an os command (\u0027os command injection\u0027) vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via \u003cinsert attack vector here\u003e"
    }
  ],
  "id": "CVE-2026-39808",
  "lastModified": "2026-07-17T05:16:38.870",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-39808",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-14T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-14T16:16:44.860",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/samu-delucas/CVE-2026-39808"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    }
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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