CVE-2026-19490 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490

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...

EUVD-2026-62395

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...

CVE-2026-19490 NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490

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...

CVE-2026-19490

CVE-2026-19490 is an authentication bypass (CWE-288) in NetScaler ADC and NetScaler Gateway (versions 14.1 before 14.1-73.32 and 13.1 before 13.1-63.21). The root cause lies in the SAML HTTP-Redirect binding handler at /cgi/samlauth, which parses assertions with the strict flag cleared —unlike th...

EUVD-2026-62394

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...

CVE-2026-19489

Citrix NetScaler ADC and Gateway are affected by a HIGH severity (CVSS 8.8) network-reachable vulnerability. Affected versions span 14.1-73.32 and 13.1-63.21. Impact emphasizes availability with low confidentiality and integrity effects. No root cause, exploit details, or patch version are provid...

CVE-2026-19489

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...

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19489 and CVE-2026-19490

Multiple vulnerabilities have been discovered in NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway. Refer below for further details. The information on this page is being provided to you on an "AS IS" and "AS-AVAILABLE" basis. The issues described on this page may or...

PT-2026-78351

Name of the Vulnerable Software and Affected Versions NetScaler ADC versions 13.1 through 63.21 NetScaler ADC versions 14.1 through 73.32 NetScaler Gateway versions 13.1 through 63.21 NetScaler Gateway versions 14.1 through 73.32 Citrix ADC versions prior to 13.1-54.29 Citrix Gateway versions pri...

PT-2026-78327

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...

Vulnerabilities in Citrix Netscaler ADC and Netscaler Gateway

Citrix has identified vulnerabilities in NetScaler ADC and NetScaler Gateway that are related to inadequate input validation, incorrect access control, and improper memory release. The vulnerabilities, identified as CVE-2026-8451 and CVE-2026-10817, arise from inadequate input validation, where t...

VulnCheck KEV: CVE-2026-8452

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...

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

watchTowr-vs-Citrix-Netscaler-PreAuth-RCE Detection Artifact...

Chinese Hacker Commands DeepSeek via Telegram to Launch Autonomous Attacks

Palo Alto Networks' Unit 42 says a Chinese-speaking threat actor used DeepSeek through the open-source Hermes Agent framework to launch attacks autonomously. After an initial Telegram instruction, the agent found internet-facing systems and selected public exploits. The researchers recovered no...

Citrix Bleed - Leaking Session Tokens

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. id: CVE-2023-4966 info: name: Citrix Bleed - Leaking Session Tokens author: DhiyaneshDK severity: high description: | Sensiti...

Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller

─── CVE-2026-8451 ─── 🏴 AMN SECURITY 🏴 مركز أبح...

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 formerly Citrix ADC and the NetScaler Gateway virtual environment access control system formerly Citrix Gateway is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could all...

Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of-Service

Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service DoS condition. The vulnerabilities are...

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...

VulnCheck KEV: CVE-2026-8451

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...