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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Fortinet | FortiMail | 8.0.0 ≤8.0.1 | — |
| Fortinet | FortiMail | 7.0.0 ≤7.0.9 | — |
| Fortinet | FortiMail | 7.6.0 ≤7.6.6 | — |
| Fortinet | FortiMail | 7.4.0 ≤7.4.8 | — |
| Fortinet | FortiMail | 7.2.0 ≤7.2.9 | — |
Advisories 2
- NCSC-2026-0487 Kwetsbaarheden verholpen in Fortinet FortiMail NCSC-NL (Netherlands) · Nov 12, 2026
- WID-SEC-2026-4489 Fortinet Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026