CVE-2026-88771

CRITICAL9.8

A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands

Published Sep 27, 2026

Modified 2 weeks ago

Details

Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.

This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to an unauthenticated attacker to execute arbitrary commands.

References

WEB

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096

WEB

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-88771

CVSS Analysis

CVSS v4.0

9.5

Exploitability

Attack Vector