FortiGuard Labs — Cyber Attacks, Breaches & Threat Activity

Related Threat Clusters

• FortiWeb WAF Vulnerability Enables Full Admin Control Exploitation

  A critical vulnerability in FortiWeb Web Application Firewall (WAF) has been actively exploited, allowing attackers to gain full administrative access to affected systems. Organizations using FortiWeb are at risk of…

  100 articles · Updated November 15, 2025
• Ransomware Exploits Critical SmarterMail Vulnerability CVE-2026-24423

  A critical vulnerability in SmarterTools' SmarterMail, identified as CVE-2026-24423, is being actively exploited in ransomware attacks. The flaw allows unauthenticated remote code execution via malicious HTTP requests,…

  35 articles · Updated February 6, 2026
• Critical Vulnerabilities in Fortinet FortiWeb Actively Exploited

  Fortinet's FortiWeb web application firewall has been compromised by two critical vulnerabilities, CVE-2025-64446 and CVE-2025-58034, both of which are under active exploitation. The first vulnerability allows…

  74 articles · Updated November 28, 2025

Recent Intelligence Reports

• SmarterTools SmarterMail RCE — Filestore.Fortinet · January 29, 2026
• CISA and FortiGuard Warn of New FortiWeb Vulnerability Exploit - RS Web Solutions (RSWEBSOLS) — Rswebsols · November 20, 2025

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