CVE-2026-126152 Missing authorization in FortiMail
Authenticated attackers can delete arbitrary directories as root or access and delete other tenants' mail and calendar data in FortiMail.
- 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-2026-126152?
CVE-2026-126152 is a high-severity missing authorization 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 authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an authenticated remote attacker to delete arbitrary directories as root, or to access or delete other users' calendar and mailbox data across tenant domains, via crafted HTTP requests to the webmail and administrative interfaces.
Weakness: CWE-639
Which versions are affected by CVE-2026-126152?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126152?
No fix has been published for CVE-2026-126152 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-126152 being exploited?
There is no known exploitation of CVE-2026-126152 in the wild and no public exploit code.
Sources
Also known as GHSA-7cj3-hp24-24jf.