CVE-2026-88774

High

Description

Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression usage.

SeverityHigh
CVSS7.2
Exploit probability—
ProductCitrix Netscaler Application Delivery Controller
PublishedSep 27, 2026
First seenSep 27, 2026

How to fix

Update
  • citrix netscaler_application_delivery_controller13.1-64.23, 13.1.37.279, 14.1-73.37 or later
  • citrix netscaler_gateway13.1-64.23, 14.1-73.37 or later

Affected products

ProductAffected versionsFixed in
citrix netscaler_application_delivery_controller13.1 ≤ v < 13.1-64.23, 13.1 ≤ v < 13.1.37.279, 14.1 ≤ v < 14.1-73.37, 14.1-66.68 ≤ v ≤ 14.1-73.3713.1-64.23, 13.1.37.279, 14.1-73.37
citrix netscaler_gateway13.1 ≤ v < 13.1-64.23, 14.1 ≤ v < 14.1-73.3713.1-64.23, 14.1-73.37

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.