FortiOS
CVE-2026-84392: NULL Pointer Dereference in FortiOS, FortiProxy and others
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.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiOS 7.4.0 to 7.4.12 | Upgrade past 7.4.12; see the advisory |
| FortiOS 7.2.0 to 7.2.13 | Upgrade past 7.2.13; see the advisory |
| FortiOS 7.0.0 to 7.0.19 | Upgrade past 7.0.19; see the advisory |
| FortiOS 6.4.0 to 6.4.16 | Upgrade past 6.4.16; see the advisory |
| FortiProxy 7.6.0 to 7.6.6 | 7.6.7 or later |
| FortiProxy 7.4.0 to 7.4.14 | Upgrade past 7.4.14; see the advisory |
| FortiProxy 7.2.0 to 7.2.16 | Upgrade past 7.2.16; see the advisory |
| FortiPAM 1.9 | 1.9.1 or later |
| FortiPAM 1.8.0 to 1.8.4 | Upgrade past 1.8.4; see the advisory |
| FortiPAM 1.7.0 to 1.7.2 | Upgrade past 1.7.2; see the advisory |
| FortiPAM 1.6.0 to 1.6.2 | Upgrade past 1.6.2; see the advisory |
| FortiPAM 1.5.0 to 1.5.1 | Upgrade past 1.5.1; see the advisory |
| FortiPAM 1.4.0 to 1.4.3 | Upgrade past 1.4.3; see the advisory |
| FortiPAM 1.3.0 to 1.3.1 | Upgrade past 1.3.1; see the advisory |
| FortiPAM 1.2 | See the advisory |
| FortiPAM 1.1.0 to 1.1.2 | Upgrade past 1.1.2; see the advisory |
| FortiPAM 1.0.0 to 1.0.3 | Upgrade past 1.0.3; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.