Medium severity · published Apr 14, 2026
CVE-2026-25691
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,…
6.7
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiSandbox · Fortinet
5.0.0 through 5.0.5; 4.4.0 through 4.4.8; 4.2.1 through 4.2.8 · source: vendor, NVD
FC
FortiSandbox Cloud · Fortinet
5.0.4 · source: vendor, NVD
FP
FortiSandbox PaaS · Fortinet
5.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25691
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25691
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-26-115
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