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Critical 9.8Published Apr 14, 2026

CVE-2026-39813A 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 re…

Updated under an hour ago ()

Does this affect you?

It affects fortinet fortisandbox. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-24
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
fortinet fortisandbox
fortinet:fortisandbox
from 4.4.0 before 4.4.9; from 5.0.0 before 5.0.6
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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