SB20260414123 - Relative path traversal in FortiWeb
Published: April 14, 2026
Security Bulletin ID
SB20260414123
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Relative path traversal (CVE-ID: CVE-2026-39814)
CWE-ID: CWE-23 - Relative Path Traversal
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local privileged user to execute arbitrary code.
The vulnerability exists due to relative path traversal in CLI. A local privileged attacker can execute unauthorized code on the underlying system via crafted CLI commands.
Remediation
Install update from vendor's website.