FortiBleed: Over 73,000 Fortinet Firewalls Compromised Across 194 Countries in Massive Credential Attack
A devastating cyber espionage campaign dubbed 'FortiBleed' has silently compromised over 73,932 unique Fortinet firewall URLs spanning 194 countries. Discovered by security researcher Volodymyr Diachenko and analyzed by...
Critical Fortinet FortiSandbox Vulnerabilities Actively Exploited in the Wild
Threat actors are actively exploiting three critical Fortinet FortiSandbox vulnerabilities — including CVE-2026-39813, which has no prior exploitation history. All flaws allow unauthenticated remote access via the JRPC...
Inside The Gentlemen: The Fastest-Growing Ransomware-as-a-Service Operation of 2026 — 332 Victims, Leaked Playbook Exposed
The Gentlemen, a ransomware-as-a-service operation that emerged in mid-2025, has claimed approximately 332 victims in the first five months of 2026 alone by targeting Fortinet and Cisco edge...
CVE-2026-26083: Critical Fortinet FortiSandbox Flaw Allows Unauthenticated Remote Code Execution — Patch Now
Fortinet has disclosed CVE-2026-26083, a critical (CVSS 9.1) missing-authorization vulnerability in FortiSandbox that lets unauthenticated attackers execute arbitrary code remotely across on-prem, cloud, and PaaS deployments. Enterprises should...
Critical Fortinet FortiClient EMS Zero-Day CVE-2026-35616 Exploited Before Official Patch Was Released
A critical SQL injection zero-day in Fortinet's FortiClient EMS (CVE-2026-35616) is being actively exploited in the wild. WatchTowr sensors detected attacks four days before Fortinet's advisory, with exploitation...
Fortinet FortiClientEMS Under Active Attack: Critical CVE-2026-35616 (CVSS 9.1) Added to CISA KEV Catalog
A critical improper access control vulnerability in Fortinet FortiClientEMS (CVE-2026-35616, CVSS 9.1) is being actively exploited following the publication of a public proof-of-concept. CISA has added the flaw...
Critical Fortinet FortiClient EMS Vulnerability CVE-2026-21643 Actively Exploited — CISA Demands Patch Today
CISA has added CVE-2026-21643, a critical pre-authentication SQL injection flaw in Fortinet FortiClient EMS (CVSS 9.1), to its Known Exploited Vulnerabilities catalog with a mandatory patching deadline of...
Fortinet Issues Emergency Patch for Actively Exploited FortiClient EMS Zero-Day CVE-2026-35616
A critical zero-day vulnerability (CVE-2026-35616, CVSS 9.1) in Fortinet FortiClient EMS was exploited in the wild before Fortinet published its advisory. The pre-authentication flaw allows remote code execution...