Citrix NetScaler ADC and Gateway Vulnerabilities (CVE-2026-3055 & CVE-2026-4368)
On March 23, 2026, Cloud Software Group (Citrix) published a security bulletin disclosing two vulnerabilities in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). Both affect customer-managed on-premises deployments; Citrix-managed cloud services and Adaptive Authentication instances have been updated automatically. CVE-2026-3055 is an out-of-bounds read resulting from insufficient input validation in NetScaler ADC and NetScaler Gateway.