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TI-2026-21086 Aliases CVE-2026-26083GHSA-5cw8-3wjv-7mvq

Missing authorization in Fortinet FortiSandbox

Priority MEDIUM 49CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00733 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
FortinetFortiSandbox5.0.0 – 5.0.1; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8—No fix listedCNA
FortinetFortiSandbox Cloud5.0.0 – 5.0.1; 4.4.5 – 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; 5.0.0 – 5.0.1; 4.4.5 – 4.4.8—No fix listedCNA
  • FortiSandbox VendorFortinet Affected 5.0.0 – 5.0.1; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA
  • FortiSandbox Cloud VendorFortinet Affected 5.0.0 – 5.0.1; 4.4.5 – 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; 5.0.0 – 5.0.1; 4.4.5 – 4.4.8 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*4.4.0 to before 4.4.9; 5.0.0 to before 5.0.2VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:*:*:*:*:*:*:*:*5.0.2 to before 5.0.6; 23.1.4245 – 23.4.4374VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:24.1.4436:*:*:*:*:*:*:*24.1.4436VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_paas:*:*:*:*:*:*:*:*4.4.5 to before 4.4.9; 5.0.0 to before 5.0.2; 21.3.4055 – 23.4.4374VulnerableFortinet
  • cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 4.4.0 to before 4.4.9; 5.0.0 to before 5.0.2 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_cloud:*:*:*:*:*:*:*:* Versions 5.0.2 to before 5.0.6; 23.1.4245 – 23.4.4374 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_cloud:24.1.4436:*:*:*:*:*:*:* Versions 24.1.4436 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_paas:*:*:*:*:*:*:*:* Versions 4.4.5 to before 4.4.9; 5.0.0 to before 5.0.2; 21.3.4055 – 23.4.4374 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26083
  2. 2026-10-03 Alias added: GHSA-5cw8-3wjv-7mvq
  3. 2026-10-25 EPSS moved to the 50th–90th percentile
  4. 2026-11-06 Title updated · CNA
  5. 2026-11-06 Affected versions changed · CNA

References

Advisory 1

  • TI-2026-28691 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • 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
See all 59 →

Sources

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