CVE-2025-54972: Fortinet FortiMail

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

An improper neutralization of crlf sequences ('crlf injection') vulnerability in Fortinet FortiMail 7.6.0 through 7.6.3, FortiMail 7.4.0 through 7.4.5, FortiMail 7.2 all versions, FortiMail 7.0 all versions may allow an attacker to inject headers in the response via convincing a user to click on a specifically crafted link

Affected products

• Fortinet FortiMail: from 7.0.0, before 7.4.6 (fixed in 7.4.6); from 7.6.0, before 7.6.4 (fixed in 7.6.4)

Published 2025-11-18. Last modified 2026-06-17.