SB2026111160 - OS Command Injection in FortiMail
Published: November 11, 2026
Security Bulletin ID
SB2026111160
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) OS Command Injection (CVE-ID: CVE-2026-126158)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: 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]
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 can execute unauthorized code or commands as root via specially crafted HTTP requests.
Remediation
Install update from vendor's website.