【Vulnerability Alert】Citrix NetScaler ADC and NetScaler Gateway contain a critical security vulnerability (CVE-2026-3055)

publish date : 2026-04-02 update date : 2026-04-02

Source: Ministry of education information & communication security contingency platform

"" "" ""

Publication Number TACERT-ANA-2026033001035555 Publication Time 2026/03/30 13:19
Incident Type ANA-Vulnerability Alert Discovery Time 2026/03/30 13:19
Impact Level Low  
[Subject]
【Vulnerability Alert】Citrix NetScaler ADC and NetScaler Gateway contain a critical security vulnerability (CVE-2026-3055)
[Content]
Forwarded from TWCERTCC-200-202603-00000021

Citrix NetScaler ADC (formerly known as Citrix ADC) is a network appliance designed to optimize, protect, and manage enterprise applications and cloud services; NetScaler Gateway (formerly known as Citrix Gateway) provides a secure remote access solution that enables users to securely access applications and data from any location.

Recently, Citrix issued a critical security vulnerability advisory (CVE-2026-3055, CVSS 4.x: 9.3). This is an out-of-bou


(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]

NetScaler ADC and NetScaler Gateway versions prior to 14.1-60.58 (excluding 14.1-60.58)
NetScaler ADC and NetScaler Gateway versions prior to 13.1-62.23 (excluding 13.1-62.23)
NetScaler ADC FIPS and NDcPP versions prior to 13.1-37.262 (excluding 13.1-37.262)
[Recommended Actions]

Please update to the following versions:

NetScaler ADC and NetScaler Gateway 14.1-60.58 or later
NetScaler ADC and NetScaler Gateway 13.1-62.23 or later
NetScaler ADC FIPS and NDcPP 13.1-37.262 or later
[Reference]
https://www.twcert.org.tw/tw/cp-169-10799-be596-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center