CVE-2026-126234 Code injection in FortiAnalyzer
An authenticated low-privilege attacker can execute unauthorized code or commands on FortiAnalyzer and FortiManager via template injection.
- 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-2026-126234?
CVE-2026-126234 is a high-severity code injection 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 neutralization of special elements used in a template engine vulnerability in Fortinet FortiAnalyzer 8.0.0, FortiAnalyzer Cloud 8.0.0, FortiManager 8.0.0, FortiManager Cloud 8.0.0 may allow an authenticated attacker with restricted privileges to execute unauthorized code or commands via a specially crafted request.
Weakness: CWE-1336
Which versions are affected by CVE-2026-126234?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126234?
No fix has been published for CVE-2026-126234 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-126234 being exploited?
There is no known exploitation of CVE-2026-126234 in the wild and no public exploit code.
Sources
Also known as GHSA-p29m-63xx-27g9.