SB2026111151 - Multiple vulnerabilities in FortiAuthenticator

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Main Vulnerability Database SB2026111151

SB2026111151 - Multiple vulnerabilities in FortiAuthenticator

Published: November 11, 2026

Security Bulletin ID SB2026111151
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect authorization (CVE-ID: CVE-2026-126243)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to incorrect authorization. An attacker can bypass authentication and gain unauthorized access. Full impersonation however requires the attacker to obtain pre-required id and data via other means.


2) Incorrect authorization (CVE-ID: CVE-2026-126242)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to incorrect authorization. An attacker can bypass authentication and gain unauthorized access. Full impersonation however requires the attacker to obtain pre-required id and data via other means.


Remediation

Install update from vendor's website.

References