CVE-2026-126150 Auth bypass in FortiMail
Unauthenticated attackers can reset any FortiMail IBE webmail user's password via crafted requests and take over the account.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- 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-2026-126150?
CVE-2026-126150 is a critical authentication bypass vulnerability in Fortinet FortiMail, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to reset the password of an arbitrary IBE webmail user and take over their account via specially crafted HTTP requests.
Weakness: CWE-640
Which versions are affected by CVE-2026-126150?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-126150?
No fix has been published for CVE-2026-126150 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-126150 being exploited?
There is no known exploitation of CVE-2026-126150 in the wild and no public exploit code.
Sources
Also known as GHSA-gg72-56wf-8rvm.