New Fortinet Flaw Allows Unauthorized Access to Enterprise Systems

Fortinet warns of a critical FortiClient EMS zero-day vulnerability that is currently being exploited, allowing attackers to ...
SecurityWeek

Exploitation of Critical Fortinet FortiClient EMS Flaw Begins

Threat actors have started exploiting CVE-2026-21643, a critical vulnerability in Fortinet FortiClient EMS leading to remote ...

New Fortinet Zero-Day Warning—Update Now, Attacks Underway

Fortinet has confirmed that attackers are already exploiting a 9.1-rated zero-day vulnerability. Emergency security update ...
SDxCentral

Fortinet faces second authentication flaw in a fortnight

Fortinet systems are under threat due to another authentication-based flaw, with security experts warning edge devices are now a vulnerable attack surface for networks. A single sign-on (SSO) ...
Dark Reading

Fortinet Issues Emergency Patch for FortiClient Zero-Day

The authentication bypass flaw, tracked as CVE-2026-35616, is the latest in a series of Fortinet vulnerabilities that have ...
SDxCentral

Fortinet firewalls face new threat, this time from authentication flaw

Fortinet firewalls are under threat from a single sign-on (SSO) vulnerability, which allows unauthorized configuration changes. According to researchers at Arctic Wolf, the exploit hinges on ...
Bleeping Computer

Hackers exploit newly patched Fortinet auth bypass flaws

Hackers are exploiting critical-severity vulnerabilities affecting multiple Fortinet products to get unauthorized access to admin accounts and steal system configuration files. The two vulnerabilities ...