Use of hard-coded credentials in FortiManager - CVE-2026-126181
Published: November 11, 2026
Vulnerability identifier: #VU165093
CSH Severity: Medium
CVSS v4: 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]
CVE-ID: CVE-2026-126181
CWE-ID: CWE-798
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
FortiManager
How to mitigate CVE-2026-126181
Install update from vendor's website.
FortiManager - addressed in versions 7.4.12, 7.6.8, 8.0.2