SB2026111177 - Path traversal in FortiMail
Published: November 11, 2026
Security Bulletin ID
SB2026111177
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2026-126153)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The vulnerability exists due to improper limitation of a pathname to a restricted directory ('path traversal'). An unauthenticated attacker can execute unauthorized commands via crafted requests.
Remediation
Install update from vendor's website.