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TI-2026-28696 Aliases CVE-2026-39813GHSA-5f64-p6cf-vvqg

Path traversal in Fortinet FortiSandbox

Priority HIGH 67CWE-24Published · Updated

Key facts

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

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

Summary

A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.22224 97th 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 – 5.0.5; 4.4.0 – 4.4.8—No fix listedCNA
  • FortiSandbox VendorFortinet Affected 5.0.0 – 5.0.5; 4.4.0 – 4.4.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*4.4.0 to before 4.4.9; 5.0.0 to before 5.0.6VulnerableFortinet
  • cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 4.4.0 to before 4.4.9; 5.0.0 to before 5.0.6 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39813
  2. 2026-10-03 Alias added: GHSA-5f64-p6cf-vvqg
  3. 2026-10-25 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 Priority changed: MEDIUM → HIGH
  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-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