CISA Issues Urgent Alert for Actively Exploited Citrix NetScaler Vulnerabilities

The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent alert regarding critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway products, which are actively being exploited by attackers. One of the most severe flaws, CVE-2026-88771, is a remote code execution issue that allows unauthenticated attackers to execute arbitrary commands, affecting all configurations of the products. Organizations are urged to immediately apply vendor updates and investigate for potential compromise.