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TI-2026-28691 Aliases CVE-2026-39808GHSA-wfjv-vrx5-2cf2

OS command injection in Fortinet FortiSandbox

Priority CRITICAL 98Exploited in the wildCWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

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>

Why it matters now

Exploitation Active In CISA KEV since 2026-07-16CISA due date 2026-07-19
EPSS 0.93189 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiSandbox4.4.0 – 4.4.8—No fix listedCNA
FortinetFortiSandbox PaaS23.4.4374; 23.4.4350; 23.3.4329; 23.1.4245; 22.2.4151; 22.2.4134; 22.1.4113; 21.4.4072; 21.3.4055—No fix listedCNA
  • FortiSandbox VendorFortinet Affected 4.4.0 – 4.4.8 Fixed in — No fix listed CNA
  • FortiSandbox PaaS VendorFortinet Affected 23.4.4374; 23.4.4350; 23.3.4329; 23.1.4245; 22.2.4151; 22.2.4134; 22.1.4113; 21.4.4072; 21.3.4055 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*4.4.0 – 4.4.9VulnerableFortinet
  • cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 4.4.0 – 4.4.9 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-07-16 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2026-39808
  3. 2026-10-03 Alias added: GHSA-wfjv-vrx5-2cf2
  4. 2026-10-25 EPSS moved to the 99th percentile and above

References

Exploit 1

Advisory 1

  • TI-2026-20264 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • TI-2024-15689 Path traversal in Fortinet FortiSandbox CVSS 3.1HIGH 8.1
  • TI-2026-28696 Path traversal in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.1
  • TI-2024-18399 Cross-site scripting in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.0
  • TI-2025-33814 OS command injection in Fortinet FortiSandbox CVSS 3.1HIGH 8.8
  • TI-2025-32573 Cross-site scripting in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.6
See all 59 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences