CVE-2026-39808 (GCVE-0-2026-39808)
Vulnerability from cvelistv5
Published
2026-04-14 15:38
Modified
2026-07-17 03:56
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE
  • CWE-78 - Execute unauthorized code or commands
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
Impacted products
Vendor Product Version
Fortinet FortiSandbox Version: 4.4.0   ≤ 4.4.8
    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:*:*:*:*:*:*:*
 Create a notification for this product.
   Fortinet FortiSandbox PaaS Version: 23.4.4374
Version: 23.4.4350
Version: 23.3.4329
Version: 23.1.4245
Version: 22.2.4151
Version: 22.2.4134
Version: 22.1.4113
Version: 21.4.4072
Version: 21.3.4055
    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:*:*:*:*:*:*:*
 Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2026-07-16

Due date: 2026-07-19

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (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's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Used in ransomware: Unknown

Notes: https://fortiguard.fortinet.com/psirt/FG-IR-26-100 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-39808

Show details on NVD website

To clipboard 

{
  "containers": {
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      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-39808",
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                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-14T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-07-16",
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        "providerMetadata": {
          "dateUpdated": "2026-07-17T03:56:21.793Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
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            "tags": [
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            ],
            "url": "https://github.com/samu-delucas/CVE-2026-39808"
          },
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            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808"
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            "time": "2026-07-16T00:00:00.000Z",
            "value": "CVE-2026-39808 added to CISA KEV"
          }
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        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
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            "cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:*",
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            "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:*:*:*:*:*:*:*"
          ],
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          "versions": [
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              "version": "23.4.4374"
            },
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              "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"
            }
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          "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"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "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/E:F/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "Execute unauthorized code or commands",
              "lang": "en",
              "type": "CWE"
            }
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      "providerMetadata": {
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      },
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          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to FortiSandbox version 4.4.9 or above\nUpgrade to FortiSandbox PaaS version 5.0.2 or above"
        }
      ]
    }
  },
  "cveMetadata": {
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    "assignerShortName": "fortinet",
    "cveId": "CVE-2026-39808",
    "datePublished": "2026-04-14T15:38:02.089Z",
    "dateReserved": "2026-04-07T15:24:03.838Z",
    "dateUpdated": "2026-07-17T03:56:21.793Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2026-39808",
      "cwes": "[\"CWE-78\"]",
      "dateAdded": "2026-07-16",
      "dueDate": "2026-07-19",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://fortiguard.fortinet.com/psirt/FG-IR-26-100 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-39808",
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      "vendorProject": "Fortinet",
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    },
    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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