Storyline
Critical vulnerabilities in Fortinet FortiClient EMS and Citrix NetScaler actively exploited
Two critical vulnerabilities have come under active exploitation: CVE-2026-21643, a SQL injection flaw in Fortinet's FortiClient Endpoint Management Server (EMS), and CVE-2026-3055, a critical memory leak vulnerability in Citrix NetScaler.
Evidence locked
Today's free sample is only available for the edition's flagship storyline.
No card needed for the free brief.
Evidence preview
- Help Net Securityhelpnetsecurity.com
- CSO Onlinecsoonline.com
- Infosecurity Magazineinfosecurity-magazine.com
- Citrix NetScaler bug exploited in days, may be multiple flaws in a trench coatThe Register Security
- Exploitation of Fresh Citrix NetScaler Vulnerability BeginsSecurityWeek