SB20260813100 - Authentication bypass using an alternate path or channel in FortiManager

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Main Vulnerability Database SB20260813100

SB20260813100 - Authentication bypass using an alternate path or channel in FortiManager

Published: August 13, 2026

Security Bulletin ID SB20260813100
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2026-70468)

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to authentication bypass using an alternate path or channel via CLI Configuration. A remote unauthenticated attacker can impersonate any FortiGate managed by the FortiManager with a specific CLI option set via crafted FGFM requests if the attacker has a valid certificate.


Remediation

Install update from vendor's website.

References