CVE-2026-84392: Fortinet FortiOS

Low severity, CVSS 2.7. EPSS: 0.5% chance of exploitation in the next 30 days.

A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.9.0, FortiPAM 1.8 all versions, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.6, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an authenticated attacker to crash the httpsd daemon via crafted HTTP requests.

Affected products

• Fortinet FortiOS: from 7.4.0, up to and including 7.4.12; from 7.2.0, up to and including 7.2.13; from 7.0.0, up to and including 7.0.19; from 6.4.0, up to and including 6.4.16
• Fortinet Fortipam: version 1.9.0 only; from 1.8.0, up to and including 1.8.4; from 1.7.0, up to and including 1.7.2; from 1.6.0, up to and including 1.6.2; from 1.5.0, up to and including 1.5.1; from 1.4.0, up to and including 1.4.3; …
• Fortinet FortiProxy: from 7.6.0, up to and including 7.6.6; from 7.4.0, up to and including 7.4.14; from 7.2.0, up to and including 7.2.16

Published 2026-09-08. Last modified 2026-09-08.