FortiMail Zero-Day Alert: CVE-2026-104286 Is Exploited — Here’s Why AI-Connected Email Makes It Worse
# FortiMail Zero-Day Alert: CVE-2026-104286 Is Exploited — Here’s Why AI-Connected Email Makes It Worse A critical Fortinet FortiMail vulnerability has moved from “patch when convenient” to incident-response territory. CVE-2026-104286 is a critical path-traversal vulnerability that can allow an unauthenticated attacker to write arbitrary files to the underlying FortiMail system through crafted HTTP or HTTPS requests. Fortinet assigned it a CVSS v3.1 score of 9.8 (Critical), and the vulnerability
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.