Injection Vulnerability in Fortinet FortiManager Products
CVE-2026-126220

7.2HIGH

Key Information:

Vendor

Fortinet
Status
Fortimanager
Vendor
CVE Published:
11 November 2026

What is CVE-2026-126220?

An improper neutralization of special elements in output used by a downstream component vulnerability in Fortinet's FortiManager could allow an authenticated administrator to read or write arbitrary files or execute unauthorized code through specially crafted requests made via the web GUI. This opens up potential security risks by allowing attackers to manipulate the application’s behavior or access sensitive information.

Affected Version(s)

FortiManager 8.0.0

FortiManager 7.6.0 <= 7.6.7

FortiManager 7.4.0 <= 7.4.11

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-236

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.