SB2026111112 - Use of hard-coded credentials in FortiManager
Published: November 11, 2026
Security Bulletin ID
SB2026111112
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of hard-coded credentials (CVE-ID: CVE-2026-126181)
CWE-ID: CWE-798 - Use of Hard-coded Credentials
CVSSv4: 7.5 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to execute arbitrary code.
The vulnerability exists due to use of hard-coded credentials. An adjacent-network authenticated attacker with user permission can join the FGFM configuration-sync mesh of the affected FortiGate deployment via the default pre-shared key.
Remediation
Install update from vendor's website.