Fortinet

Pierluigi Paganini April 07, 2026
U.S. CISA adds a flaw in Fortinet FortiClient EMS to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Fortinet FortiClient EMS to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Fortinet FortiClient EMS, tracked as CVE-2026-35616 (CVSS score of 9.1), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Fortinet released out-of-band patches for a […]

Pierluigi Paganini April 06, 2026
CVE-2026-35616: Fortinet fixes actively exploited high-severity flaw

Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS 9.1), which is already being exploited in attacks in the wild. The flaw is an improper access control issue that allows attackers to bypass authentication […]

Pierluigi Paganini March 30, 2026
Critical Fortinet FortiClient EMS flaw exploited for Remote Code Execution

Attackers are exploiting a critical Fortinet FortiClient EMS flaw (CVE-2026-21643) that allows remote code execution via SQL injection. A critical Fortinet FortiClient EMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1), is now being actively exploited. Defused researchers warn that threat actors are exploiting the vulnerability in Fortinet’s FortiClient EMS platform. “Fortinet Forticlient EMS CVE-2026-21643 […]

Pierluigi Paganini March 10, 2026
Attackers exploit FortiGate devices to access sensitive network information

Attackers are exploiting FortiGate devices to breach networks and steal configuration data containing service account credentials and network details. SentinelOne researchers warn that attackers are exploiting vulnerabilities or weak credentials in FortiGate devices to gain initial access to corporate networks. Once inside, they extract configuration files that may contain service account credentials and information about […]

Pierluigi Paganini February 09, 2026
Critical Fortinet FortiClientEMS flaw allows remote code execution

Fortinet warns of a critical FortiClientEMS vulnerability that lets remote attackers run malicious code without logging in. Fortinet issued an urgent advisory to address a critical FortiClientEMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1). The vulnerability is an improper neutralization of special elements used in an SQL Command (‘SQL Injection’) issue in FortiClientEMS. An […]

Pierluigi Paganini January 28, 2026
U.S. CISA adds a flaw in multiple Fortinet products to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in multiple Fortinet products to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Broadcom VMware vCenter Server vulnerability, tracked as CVE-2026-24858 (CVSS score of 9.4), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Fortinet started rolling out patches for […]

Pierluigi Paganini January 28, 2026
Fortinet patches actively exploited FortiOS SSO auth bypass (CVE-2026-24858)

Fortinet released fixes for a critical FortiOS SSO auth bypass (CVE-2026-24858) actively exploited, impacting FortiOS, FortiManager, and FortiAnalyzer. Fortinet started rolling out patches for a critical FortiOS flaw under active attack. The bug, CVE-2026-24858 (CVSS score of 9.4), lets attackers bypass authentication via SSO. It affects FortiOS, FortiManager, and FortiAnalyzer, while Fortinet checks if other […]

Pierluigi Paganini January 23, 2026
Fortinet warns of active FortiCloud SSO bypass affecting updated devices

Fortinet confirmed attacks are bypassing FortiCloud SSO authentication, affecting even fully patched devices, similar to recent SSO flaws. Fortinet confirmed attacks bypass FortiCloud SSO on fully patched devices. Threat actors automate firewall changes, add users, enable VPNs, and steal configs, in campaigns resembling December 2025 exploits of critical FortiCloud SSO flaws. Arctic Wolf researchers reported […]

Pierluigi Paganini January 22, 2026
Arctic Wolf detects surge in automated Fortinet FortiGate firewall configuration attacks

Arctic Wolf warned of a new wave of automated attacks making unauthorized firewall configuration changes on Fortinet FortiGate devices. Arctic Wolf researchers reported a new automated attack cluster observed since January 15, 2026, targeting FortiGate devices. Attackers created generic accounts for persistence, enabled VPN access, and exfiltrated firewall configurations. The activity resembles a December 2025 […]

Pierluigi Paganini January 14, 2026
Fortinet fixed two critical flaws in FortiFone and FortiSIEM

Fortinet fixed six security flaws, including two critical bugs in FortiFone and FortiSIEM that attackers could exploit without authentication. Fortinet released patches for six vulnerabilities, including two critical flaws in FortiFone and FortiSIEM that could be exploited without authentication to leak configuration data or enable code execution. The first vulnerabilty, tracked as CVE-2025-64155 (CVSS score […]