A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all…

Description

A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.0 through 5.0.1, FortiSandbox Cloud 4.4.5 through 4.4.8, FortiSandbox PaaS 23.4 all versions, FortiSandbox PaaS 23.3 all versions, FortiSandbox PaaS 23.1 all versions, FortiSandbox PaaS 22.2 all versions, FortiSandbox PaaS 22.1 all versions, FortiSandbox PaaS 21.4 all versions, FortiSandbox PaaS 21.3 all versions, FortiSandbox PaaS 5.0.0 through 5.0.1, FortiSandbox PaaS 4.4.5 through 4.4.8 may allow an unauthenticated attacker to execute unauthorized code or commands via HTTP requests.

Scores

EPSS (exploitation in 30 days)

0.73% · top 45% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.

Weakness

• CWE-862: Execute unauthorized code or commands (opens in a new tab)All about CWE-862 and its CVEs

Affected products

• Fortinet · FortiSandbox

  • affected 5.0.0 – ≤ 5.0.1
  • affected 4.4.0 – ≤ 4.4.8
  • affected 4.2.1 – ≤ 4.2.8

• Fortinet · FortiSandbox Cloud

  • affected 5.0.0 – ≤ 5.0.1
  • affected 4.4.5 – ≤ 4.4.8

• Fortinet · FortiSandbox PaaS

  • affected 23.4.4374
  • affected 23.4.4350
  • affected 23.3.4329
  • affected 23.1.4245
  • affected 22.2.4151
  • affected 22.2.4134
  • affected 22.1.4113
  • affected 21.4.4072
  • affected 21.3.4055
  • affected 5.0.0 – ≤ 5.0.1
  • affected 4.4.5 – ≤ 4.4.8

What to do

Solution: Upgrade to FortiSandbox version 5.0.2 or above Upgrade to FortiSandbox version 4.4.9 or above Upgrade to FortiSandbox PaaS version 5.0.2 or above Upgrade to FortiSandbox PaaS version 4.4.9 or above Upgrade to FortiSandbox Cloud version 5.0.2 or above Upgrade to FortiSandbox Cloud version 4.4.9 or above

References (1)

• https://fortiguard.fortinet.com/psirt/FG-IR-26-136 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-26083](https://trackcve.app/badge/CVE-2026-26083.svg)](https://trackcve.app/cve/CVE-2026-26083)

Record last updated 6 Nov 2026, 15:42 UTC.