Improper Encoding or Escaping of Output in Fortinet, Inc products - CVE-2026-126170
Published: November 11, 2026
Vulnerability identifier: #VU165169
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126170
CWE-ID: CWE-116
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper encoding or escaping of output in JRPC API. An unauthenticated attacker can execute unauthorized code or commands via a specially crafted HTTP request.
Affected software
FortiManager
FortiAnalyzer-BigData
FortiAnalyzer
FortiAnalyzer-BigData
FortiAnalyzer
How to mitigate CVE-2026-126170
Install update from vendor's website.
FortiManager - addressed in versions 7.6.8, 8.0.3
FortiAnalyzer-BigData - update to 7.6.3
FortiAnalyzer - addressed in versions 7.6.8, 8.0.3
FortiAnalyzer-BigData - update to 7.6.3
FortiAnalyzer - addressed in versions 7.6.8, 8.0.3