Fortinet FortiMail: Schwachstelle ermöglicht SQL Injection
WID-SEC-2026-1493 · first 13.05.2026 · updated 13.05.2026 · CVSS 7,2
What it is about
FortiMail ist eine Aplliance zum Schutz gegen die von E-Mails übertragenen Bedrohungen. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Fortinet FortiMail ausnutzen, um eine SQL Injection durchzuführen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- eine SQL Injection durchzuführen
Am I affected?
Affected according to the BSI:
- Fortinet FortiMail <7.4.6
- Fortinet FortiMail <7.6.4
- Fortinet FortiMail <7.2.9
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Fortinet FortiMail 7.4.6
- Fortinet FortiMail 7.6.4
- Fortinet FortiMail 7.2.9
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- FortiGuard Labs PSIRT Advisory FG-IR-26-132 vom 2026-05-12 www.fortiguard.com
CVE: CVE-2025-53681
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.