Path traversal in Fortinet, Inc products - CVE-2026-59839
Published: July 14, 2026
Vulnerability identifier: #VU137528
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-59839
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiPAM
FortiOS
FortiProxy
FortiPAM
FortiOS
FortiProxy
Detailed vulnerability description
The vulnerability allows a local privileged user to damange or delete data.
The vulnerability exists due to improper limitation of a pathname to a restricted directory ('path traversal') of root file system. A privileged authenticated attacker with physical access can the device to delete the file system via crafted CLI commands.
How to mitigate CVE-2026-59839
Install update from vendor's website.