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.
Published: 2026-09-27
Score: 9.5 Critical
EPSS: 1.0% Low
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Citrix
Citrix netscaler Application Delivery Controller
Citrix netscaler Gateway
CPEs cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
Vendors & Products Citrix
Citrix netscaler Application Delivery Controller
Citrix netscaler Gateway
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Sun, 27 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-09-27T00:00:00+00:00', 'dueDate': '2026-09-30T00:00:00+00:00'}


Sun, 27 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 27 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 9.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Subscriptions

Citrix Netscaler Application Delivery Controller Netscaler Gateway
cve-icon MITRE

Status: PUBLISHED

Assigner: NetScaler

Published:

Updated: 2026-09-28T12:43:09.700Z

Reserved: 2026-09-10T07:14:57.369Z

Link: CVE-2026-88771

cve-icon Vulnrichment

Updated: 2026-09-27T17:39:21.929Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-27T17:16:56.260

Modified: 2026-09-28T13:17:25.027

Link: CVE-2026-88771

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-27T23:30:17Z

Weaknesses
  • CWE-20

    Improper Input Validation