CVE-2026-22153

High

Description

An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way.

SeverityHigh
CVSS8.1
Exploit probability—
ProductFortinet Fortios
PublishedFeb 10, 2026
First seenFeb 10, 2026
Weakness typeCWE-305CWE-305

How to fix

Update
  • fortinet fortios7.6.5 or later

Affected products

ProductAffected versionsFixed in
fortinet fortios7.6.0 ≤ v < 7.6.57.6.5

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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