The vulnerability of the NetScaler ADC application delivery controller (formerly Citrix ADC) and the NetScaler Gateway virtual environment access control system (formerly Citrix Gateway) relates to the occurrence of operations outside the buffer in memory, allowing a malicious actor to cause service failures.

The vulnerability of the NetScaler ADC application delivery controller previously Citrix ADC and the NetScaler Gateway virtual environment access control system previously Citrix Gateway is related to operations that go beyond the buffer in memory. Exploiting this vulnerability could allow a...

The vulnerability of the authentication mechanism of the SAML-based NetScaler ADC controller (formerly Citrix ADC) and the NetScaler Gateway virtual environment access control system (formerly Citrix Gateway) allows a attacker to cause service interruptions.

The vulnerability of the SAML authentication mechanism for NetScaler ADC formerly Citrix ADC and the NetScaler Gateway virtual environment access control system formerly Citrix Gateway is related to reading data beyond the allowed range in memory. Exploiting this vulnerability could allow a...

CVE-2026-10816 Arbitrary File Read (Unauthenticated)

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...

CVE-2026-8451 Insufficient input validation leading to memory overread

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...

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-8451, CVE-2026-8452, CVE-2026-8655, CVE-2026-10816, CVE-2026-10817, and CVE-2026-13474

Severity - High Description of Problem Multiple vulnerabilities have been discovered in NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway. Refer below for further details. Affected Versions: The following supported versions of NetScaler ADC and NetScaler Gateway are...

CVE-2026-3055 Insufficient input validation leading to memory overread

Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread...

PT-2026-28889

Уязвимость контроллера доставки приложений NetScaler ADC ранее Citrix ADC и системы контроля доступа к виртуальной среде NetScaler Gateway ранее Citrix Gateway связана с ошибками синхронизации при использовании общего ресурса. Эксплуатация уязвимости может позволить нарушителю, действующему...

EUVD-2025-25901

Malicious code in bioql PyPI...

The vulnerability of NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) – systems for controlling access to virtual environments – allows a perpetrator to execute arbitrary code and trigger service failures.

The vulnerability of the NetScaler ADC application delivery controller previously Citrix ADC and the NetScaler Gateway virtual environment access control system previously Citrix Gateway is related to operations that go beyond the buffer in memory. Exploiting this vulnerability could allow a...

PT-2025-34761

Name of the Vulnerable Software and Affected Versions NetScaler ADC versions prior to 12.1-55.330 NetScaler ADC versions prior to 13.1-37.241 NetScaler ADC versions prior to 13.1-59.22 NetScaler ADC versions prior to 14.1-47.48 NetScaler Gateway affected versions not specified Description A memor...

Citrix NetScaler Memory Overflow Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service...

CVE-2025-5349

Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway...

PT-2025-32: Authentication bypass in NetScaler ADC

The discovered vulnerability in NetScaler ADC allows an attacker to bypass the authentication proceduce. The affected products: NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-43.56 NetScaler ADC and NetScaler Gateway 13.1 BEFORE 13.1-58.32 NetScaler ADC 13.1-FIPS and NDcPP BEFORE...

CVE-2024-5491

Denial of Service in NetScaler ADC and NetScaler Gateway in NetScaler...

Citrix Systems NetScaler ADC and Citrix Systems NetScaler Gateway Security Vulnerabilities

Citrix Systems NetScaler Gateway Citrix Systems Gateway and Citrix Systems NetScaler ADC are both products of Citrix Systems, Inc.Citrix Systems NetScaler Gateway is a secure remote access solution. The solution provides administrators with application-level and data-level controls to enable user...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller

CVE-2023-4966 An Exploitation script developed to exploit the...

The vulnerability of the microprogramming software used in access control systems for the NetScaler Gateway virtual environment and the Citrix NetScaler Application Delivery Controller lies in the improper name restrictions on the path to the restricted directory. This allows attackers to gain access to published applications and carry out attacks from the Citrix server to other resources within the attacked company’s internal network.

The vulnerability of the microprogramming software used in access control systems for the NetScaler Gateway virtual environment, as well as the microprogramming software used in the Citrix NetScaler Application Delivery Controller, exists due to an incorrect limitation on the path name to the...

CVE-2018-7218: Undefined Security Weakness

The AppFirewall functionality in Citrix NetScaler Application Delivery Controller and NetScaler Gateway 10.5 before Build 68.7, 11.0 before Build 71.24, 11.1 before Build 58.13, and 12.0 before Build 57.24 allows remote attackers to execute arbitrary code via unspecified vectors...

CVE-2018-6808

NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to download arbitrary files on the target system...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...