SB2026111186 - Path traversal in FortiOS and FortiPAM
Published: November 11, 2026
Security Bulletin ID
SB2026111186
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2026-126255)
CWE-ID: CWE-24 - Path Traversal: \'../filedir\'
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.