CVE-2026-104286

CRITICAL CVSS 9.8 View on NVD ↗

Description

An improper limitation of a pathname to a restricted directory ('path traversal') 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 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

fortinet/fortimail

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-175
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104286

Published: Oct 01, 2026 20:17 UTC Modified: Oct 02, 2026 12:35 UTC