Low2.5Fortinet

Low [CVE-2026-84392] 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

This low-severity Fortinet advisory covers CVE-2026-84392 affecting FortiOS, FortiPAM, FortiProxy.

CVE-2026-84392 Published Sep 8, 2026Updated by vendor Sep 8, 2026

CVE-2026-84392

Affected products & platforms

FortinetFortiGateFirewallFortiOSFortiProxy

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Summary

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 versions

FortiOS FortiOS: 7.2 through 8.0 (vendor-listed versions)
FortiPAM FortiPAM: 1.0 through 1.9 (vendor-listed versions)
FortiProxy FortiProxy: 7.2 through 7.6 (vendor-listed versions)

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Sources

Official and corroborating records used to build this advisory.

FortiGuard PSIRT Advisoriesofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://filestore.fortinet.com/fortiguard/rss/ir.xml; this link opens the Fortinet advisory index instead of the raw feed document.
Fortinet
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Fortinet
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-84392NVD CVE.org MITRE

Official resources

FortiGate / FortiOS documentation & release notes
Release notes
Official upgrade documentation for FortiGate / FortiOS firewalls.
Fortinet Upgrade Path Tool
Official documentation
Official tool to plan a supported FortiOS upgrade path from your current build to the fixed release.
FortiProxy documentation & upgrade guides
Official documentation
Official upgrade documentation for FortiProxy.

Discussion(0)

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