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FortiMail vulnerabilities

1 published alerts for Fortinet FortiMail.

Actively exploited (KEV)

CVE-2026-104286

Fortinet FortiMail Path Traversal Vulnerability

Fortinet FortiMail is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-104286). Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests. CISA remediation due date: 2026-10-04. If you need help checking exposure, call (864) 335-9223.