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9.0

FortiManager allows remote code execution via FGFM port

CVE-2026-126261 · published 1 day ago
Summary

Versions 7.2.0-7.2.8, 7.4.0-7.4.5, 7.6.0-7.6.7, and 8.0.0 of FortiManager can be accessed without authentication if an attacker reaches the FGFM communication port. This could let the attacker run commands or install malicious code on the management server. Apply the latest FortiManager updates and block the FGFM port from untrusted networks.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
fortinet fortimanager 8.0.0
Original advisory text
A improper authorization vulnerability in Fortinet FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.5, FortiManager 7.2.0 through 7.2.8 may allow an unauthentica...
A improper authorization vulnerability in Fortinet FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.5, FortiManager 7.2.0 through 7.2.8 may allow an unauthenticated attacker that can reach the FGFM port to execute code or commands via crafted FGFM packets.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.0 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-285Improper Authorization
Timeline
Published10 Nov 2026
Updated12 Nov 2026
First seen10 Nov 2026
Sources
CVE-2026-126261 · NVD
CVE-2026-126261 · MITRE
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