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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2026-0159
Multiple Vulnerabilities in NetScaler ADC and NetScaler Gateway

Original Issue Date:March 27, 2026

Severity Rating: HIGH

Software Affected

  • NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-66.59
  • NetScaler ADC and NetScaler Gateway 13.1 BEFORE 13.1-62.23
  • NetScaler ADC FIPS and NDcPP BEFORE 13.1-37.262
  • NetScaler ADC and NetScaler Gateway 14.1-66.54

Overview

Multiple vulnerabilities have been reported in NetScaler ADC and NetScaler Gateway which could allow an attacker to access sensitive information or cause session integrity issues on the targeted system.

Target Audience:
Organizations and individuals using NetScaler ADC and NetScaler Gateway appliances.

Risk Assessment:
High risk of unauthorised access, system compromise or service disruption.

Impact Assessment:
Potential for Information disclosure, Session integrity issues.

Description

NetScaler ADC is a network appliance used for application delivery and security, while NetScaler Gateway provides secure remote access to enterprise resources.

These vulnerabilities exist in NetScaler ADC and NetScaler Gateway due to Out-of-bounds Read and Race Condition. An attacker could exploit these vulnerabilities by sending specially crafted network requests on the targeted system.

Successful exploitation of these vulnerabilities could allow an attacker to access sensitive information or cause session integrity issues on the targeted system.

Solution

Apply appropriate updates as mentioned in:
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300

Vendor Information

Citrix
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300

References

Citrix
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300

CVE Name
CVE-2026-3055
CVE-2026-4368

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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