CVE-2026-88771

CRITICAL CVSS 9.8 View on NVD ↗

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

citrix/netscaler_application_delivery_controller citrix/netscaler_gateway

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771

Published: Sep 27, 2026 17:16 UTC Modified: Sep 28, 2026 13:17 UTC