CVE-2026-19489

Published Aug 19, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
Vulnerability in NetScaler ADC and NetScaler Gateway.

This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Citrix NetScaler ADC/Gateway Buffer Overflow Vulnerability
Type Values Removed Values Added
Title Citrix NetScaler ADC/Gateway Buffer Overflow Vulnerability
Type Values Removed Values Added
Title High‑Severity Vulnerability in Citrix NetScaler ADC and Gateway
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-120
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title High‑Severity Vulnerability in Citrix NetScaler ADC and Gateway
Weaknesses CWE-284
Type Values Removed Values Added
Title Potential Remote Vulnerability in Citrix NetScaler ADC and Gateway
Weaknesses CWE-284
Type Values Removed Values Added
Title Potential Remote Vulnerability in Citrix NetScaler ADC and Gateway
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Netscaler
Netscaler adc
Netscaler gateway
Vendors & Products Netscaler
Netscaler adc
Netscaler gateway
Type Values Removed Values Added
Description Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NetScaler
Published
Updated
Aug 20, 2026, 1:36 PM
Reserved
Aug 10, 2026, 5:39 PM
Status
Awaiting Analysis
Published
Aug 19, 2026, 1:17 PM
Modified
Nov 9, 2026, 8:10 PM