Path traversal in FortiManager and FortiAnalyzer - CVE-2026-126221
Published: November 11, 2026
Vulnerability identifier: #VU165227
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-126221
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper limitation of a pathname to a restricted directory ('path traversal'). An authenticated administrator can read or write arbitrary files or execute unauthorized code or commands via specially crafted requests to the GUI.
Affected software
FortiManager
FortiAnalyzer
FortiAnalyzer
How to mitigate CVE-2026-126221
Install update from vendor's website.
FortiManager - addressed in versions 7.4.12, 7.6.8, 8.0.1
FortiAnalyzer - addressed in versions 7.4.12, 7.6.8, 8.0.1
FortiAnalyzer - addressed in versions 7.4.12, 7.6.8, 8.0.1