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NetScaler is Citrix's application delivery and security platform, now associated with Cloud Software Group. It provides traffic management, load balancing, application access, and security capabilities for enterprise applications. Deployments include customer-managed appliances, virtual and container-based software, and cloud-delivered services used by organizations operating applications across data centers and hybrid environments.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
As of 10/23/2026, Citrix NetScaler recorded 8 security vulnerabilities in the last 90 days across 2 products, including 8 rated High or above and 2 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.
Over the last 90 days, ADC had the most security vulnerabilities in the Citrix NetScaler ecosystem, with 8 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.
CVE-2026-88778TCP Initial Sequence Number (ISN) predictionCVE-2026-88777Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of ServiceCVE-2026-88776Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of ServiceCVE-2026-88775Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of ServiceCVE-2026-88773HTTP Request Smuggling8 Results | Page 1 of 1
| SeverityHigh |
| SeverityHigh |
| SeverityHigh |
| SeverityHigh |
| SeverityCritical |
| SeverityCritical |