OS Command Injection in FortiMail - CVE-2026-126145
Published: November 11, 2026
Vulnerability identifier: #VU165197
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126145
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper neutralization of special elements used in an os command ('os command injection'). An authenticated administrator with system-time read-write access can execute unauthorized code or commands as root.
Affected software
FortiMail
How to mitigate CVE-2026-126145
Install update from vendor's website.
FortiMail - addressed in versions 7.4.9, 7.6.7, 8.0.2