Path traversal in FortiPAM and FortiOS - CVE-2026-126255
Published: November 11, 2026
Vulnerability identifier: #VU165237
CSH Severity: Medium
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126255
CWE-ID: CWE-24
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The vulnerability exists due to path traversal: '../filedir' in sshd. An unauthenticated attacker can bypass authentication via specially crafted credentials.
Affected software
FortiPAM
FortiOS
FortiOS
How to mitigate CVE-2026-126255
Install update from vendor's website.
FortiOS - addressed in versions 7.2.14, 7.4.13, 7.6.8, 8.0.2