CVE-2026-25089

EUVD-2026-35443
A improper neutralization of special elements used in an os command ('os command injection') 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 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
fortinetfortisandbox
4.2.0 ≤
𝑥
≤ 4.2.8
fortinetfortisandbox
4.4.0 ≤
𝑥
< 4.4.9
fortinetfortisandbox
5.0.0 ≤
𝑥
< 5.0.6
fortinetfortisandbox_cloud
5.0.4 ≤
𝑥
< 5.0.6
fortinetfortisandbox_paas
5.0.4 ≤
𝑥
< 5.0.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://fortiguard.fortinet.com/psirt/FG-IR-26-141
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25089