www.securityweek.com 6/17/2026, 7:21:35 AM · external

3 Recently Patched Fortinet FortiSandbox Vulnerabilities in Hacker Crosshairs

3 Recently Patched Fortinet FortiSandbox Vulnerabilities in Hacker Crosshairs
Developing story vulnerability 6 articles tracked
Multiple critical FortiSandbox vulnerabilities patched amid active exploitation
CyberSIXT Evidence Panel
Primary Source socradar.io
CISA KEV Not in KEV
Patch Patch Available

THREE newly patched vulnerabilities in Fortinet's FortiSandbox, rated critical, are actively being exploited. Defused's honeypots detected attempts targeting CVE-2026-39808, CVE-2026-39813, and CVE-2026-25089. CVE-2026-39808 allows authentication bypass, while CVE-2026-39813 enables OS command injection for arbitrary code execution. CVE-2026-25089 permits remote command execution by unauthenticated attackers.

Additionally, SOCRadar revealed over 30,000 Fortinet firewalls were compromised through a campaign called 'FortiBleed', affecting networks globally, mostly in India and the U.S. Attackers gathered verified credentials and monitored traffic, indicating a sophisticated and self-sustaining hacking operation.

View Primary Source Via www.securityweek.com

Article by CyberSIXT

Timeline Coverage

Swipe to explore timeline