Relative path traversal in FortiWeb - CVE-2026-39814
Published: April 14, 2026
Vulnerability identifier: #VU125999
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2026-39814
CWE-ID: CWE-23
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
FortiWeb
How to mitigate CVE-2026-39814
Install update from vendor's website.
FortiWeb - addressed in versions 7.6.7, 8.0.3