TI-2026-20772 Aliases CVE-2026-25691 GHSA-j3x3-rc9w-wf4m

Path traversal in Fortinet FortiSandbox PaaS

LOW 28CWE-22Published 2026-04-14 · Updated 2026-04-14

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to delete an arbitrary directory via HTTP crafted requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00456 39th 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: No
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	FortiSandbox PaaS	5.0.4	—	No fix listed	CNA
Fortinet	FortiSandbox Cloud	5.0.4	—	No fix listed	CNA
Fortinet	FortiSandbox	5.0.0 – 5.0.5; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8	—	No fix listed	CNA

FortiSandbox PaaS VendorFortinet Affected 5.0.4 Fixed in — No fix listed CNA
FortiSandbox Cloud VendorFortinet Affected 5.0.4 Fixed in — No fix listed CNA
FortiSandbox VendorFortinet Affected 5.0.0 – 5.0.5; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:fortisandbox::::::::	4.2.0 to before 4.4.9; 5.0.0 to before 5.0.6	Vulnerable	Fortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:::::::*	5.0.4	Vulnerable	Fortinet

cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.4.9; 5.0.0 to before 5.0.6 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-25691
2026-10-03 Alias added: GHSA-j3x3-rc9w-wf4m

References

Advisory 1

https://fortiguard.fortinet.com/psirt/FG-IR-26-115

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