CVE-2026-126235 Path traversal in FortiAnalyzer

High 7.2 Published 11 Nov 2026 Updated 11 Nov 2026

An authenticated administrator can write arbitrary files on FortiAnalyzer or FortiManager via a crafted archive; Fortinet customers should care.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Harmful if only installed: No
Needs a specific call: No
Fix: None listed

What is CVE-2026-126235?

CVE-2026-126235 is a high-severity path traversal vulnerability in Fortinet FortiAnalyzer, published on 11 Nov 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.2 through 7.6.7, FortiAnalyzer 7.4.7 through 7.4.11, FortiAnalyzer 7.2.10 through 7.2.12, FortiAnalyzer Cloud 8.0.0 through 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2.1 through 7.2.12, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.2 through 7.6.7, FortiManager 7.4.7 through 7.4.11, FortiManager 7.2.10 through 7.2.12, FortiManager Cloud 8.0.0 through 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an authenticated administrator to write arbitrary files via a specially crafted archive.

Weakness: CWE-22

Which versions are affected by CVE-2026-126235?

An affected version is exposed as installed. No special setting or call is needed.

How do I fix CVE-2026-126235?

No fix has been published for CVE-2026-126235 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-126235 being exploited?

There is no known exploitation of CVE-2026-126235 in the wild and no public exploit code.

Sources

Also known as GHSA-wj69-7gq6-hj32.