Citrix Netscaler Application Delivery Controller vulnerabilities, page 3

64 vulnerabilities

Known vulnerabilities in Citrix Netscaler Application Delivery Controller, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

8.7CVE-2026-13474citrixnetscaler_application_delivery_controller+3
EPSS score
0.56%
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
9.8CVE-2026-19490citrixnetscaler_application_delivery_controller+3KEV
EPSS score
23.16%
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
7.5CVE-2026-10817citrixnetscaler_application_delivery_controller+3
EPSS score
0.56%
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
7.5CVE-2026-10816citrixnetscaler_application_delivery_controller+3
EPSS score
0.58%
Arbitrary File Read (Unauthenticated) in NetScaler ADC and NetScaler Gateway if the access to NSIP, Cluster Management IP or SNIP with management access is enabled
9.8CVE-2026-8655citrixnetscaler_application_delivery_controller+3
EPSS score
0.63%
Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment
8.8CVE-2026-8451citrixnetscaler_application_delivery_controller+3
EPSS score
0.50%
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
9.8CVE-2026-8452citrixnetscaler_application_delivery_controller+3KEV
EPSS score
1.01%
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
9.8CVE-2026-3055citrixnetscaler_application_delivery_controller+3KEV
EPSS score
4.04%
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
7.2CVE-2026-88774citrix netscaleradc+3
EPSS score
0.24%
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.
9.8CVE-2026-88775citrix netscaleradc+3
EPSS score
0.38%
Memory overflow 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 Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service
10CVE-2026-88773citrix netscaleradc+3
EPSS score
0.36%
Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') 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 and NDcPP; Gateway: before 14.1-73.37 FIPS and before 13.1-64.23.
8.7CVE-2026-88779citrixnetscaler_application_delivery_controller+3KEV
EPSS score
0.59%
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.
9.8CVE-2026-88777citrix netscaleradc+3
EPSS score
0.38%
Memory overflow vulnerability 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 unpredictable or erroneous behavior or Denial of Service
9.8CVE-2026-88776citrix netscaleradc+3
EPSS score
0.38%
Memory overflow vulnerability 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 unpredictable or erroneous behavior or Denial of Service
9.8CVE-2026-88771citrix netscaleradc+3KEV
EPSS score
1.08%
Improper input validation 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 an unauthenticated attacker to execute arbitrary commands.
9.5CVE-2026-88772citrix netscaleradc+3KEV
EPSS score
1.30%
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 Remote Code Execution or Denial of Service
8.8CVE-2026-88778citrix netscaleradc+3
EPSS score
0.38%
Predictable exact value from previous values 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.
9.4CVE-2023-4966citrixnetscaler adc+2KEVRansomware
EPSS score
100.00%
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  virtual server.
8.2CVE-2023-4967citrixnetscaler_application_delivery_controller+3
EPSS score
1.09%
Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server
8.8CVE-2023-6548citrixnetscaler_application_delivery_controller+3KEV
EPSS score
3.19%
Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.