SB2026111159 - Command injection in FortiMail
Published: November 11, 2026
Security Bulletin ID
SB2026111159
CSH Severity
High
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) Command injection (CVE-ID: CVE-2026-126148)
CWE-ID: CWE-77 - Command injection
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to command injection in an os command. An unauthenticated attacker can execute unauthorized code or commands via crafted HA join-request packets.
Remediation
Install update from vendor's website.