CVE-2026-104286
Related Intelligence (4)
Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action
CVE-2026-104286 is a critical-severity path traversal vulnerability that could allow attackers to write arbitrary files to the system. The post Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action appeared first on SecurityWeek .
Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added a critical security flaw impacting Fortinet FortiMail to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerability, tracked as CVE-2026-104286 (CVSS score: 9.8), allows unauthenticated attackers to write arbitrary files on the underlying system. "An improper
Fortinet warns of critical FortiMail flaw exploited in zero-day attacks
Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices. [...]
CISA KEV: Fortinet FortiMail — Fortinet FortiMail Path Traversal Vulnerability
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.