CVE-2026-126228 Memory corruption in FortiAnalyzer

High 7.2 Published 11 Nov 2026 Updated 12 Nov 2026

An authenticated admin can send a crafted request to FortiAnalyzer or FortiManager to trigger an out-of-bounds write and execute code.

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-2026-126228?

CVE-2026-126228 is a high-severity memory corruption 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 out-of-bounds write vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2.4 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 7.2.4 through 7.2.12, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.4 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 7.2.4 through 7.2.12 may allow an authenticated remote attacker with admin privileges to execute unauthorized code or commands via a specially crafted request.

Weakness: CWE-787

Which versions are affected by CVE-2026-126228?

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

How do I fix CVE-2026-126228?

No fix has been published for CVE-2026-126228 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-126228 being exploited?

There is no known exploitation of CVE-2026-126228 in the wild and no public exploit code.

Sources

Also known as GHSA-j7mx-g2x9-9ww2.