CVE-2026-126146 Command injection in FortiMail
An authenticated privileged attacker can execute OS commands on FortiMail and FortiRecorder via crafted archive account configuration.
- 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-2026-126146?
CVE-2026-126146 is a high-severity command injection vulnerability in Fortinet FortiMail, 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 an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.4, FortiMail 7.4.0 through 7.4.6, FortiMail 7.2.0 through 7.2.9, FortiRecorder 7.6.0, FortiRecorder 7.2.0 through 7.2.11, FortiRecorder 7.0.0 through 7.0.6 may allow an authenticated privileged attacker to execute unauthorized code or commands via a specifically crafted archive account configuration.
Weakness: CWE-78
Which versions are affected by CVE-2026-126146?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126146?
No fix has been published for CVE-2026-126146 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-126146 being exploited?
There is no known exploitation of CVE-2026-126146 in the wild and no public exploit code.
Sources
Also known as GHSA-gg4w-pfwx-3x73.