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Multiple Vulnerabilities in NetScaler ADC and NetScaler Gateway

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

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

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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