FORTINETVERIFIED
LDAP authentication bypass in Agentless VPN and FSSO
Checked 7 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
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SECURITY ADVISORYFORTINETVERIFIED
PUBLISHER UPDATE · FORTINET-PRODUCTS-1FA2FCF071F5C9CB
FORTINET-PRODUCTS-1FA2FCF071F5C9CB release notes and known issues
LDAP authentication bypass in Agentless VPN and FSSO
Scope: Fortinet products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
Summary
CVSSv3 Score: 7.5 An Authentication Bypass by Primary Weakness vulnerability [CWE-305] in FortiOS fnbamd may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, under specific LDAP server configuration. Revised on 2026-07-04 00:00:00
Improvements and security content
- CVSSv3 Score: 7.5 An Authentication Bypass by Primary Weakness vulnerability [CWE-305] in FortiOS fnbamd may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, under specific LDAP server configuration. Revised on 2026-07-04 00:00:00
Known issues
Publisher statementNot stated. The verified publisher record does not contain a known-issues statement.
Affected products and versions
Products
- Fortinet products
Affected versions
- 7.5
Fixed versions or updates
- No fixed version is stated in this record.
Recommended action
Review the official publisher document before deployment.