CVE-2026-19490NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

Aug 19, 2026

Last Modified

Sep 10, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

23.16%Probability

Root Weakness (CWE)

N/A

CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)Low

Integrity (Subsequent System)Low

Availability (Subsequent System)Low

Affected & Patched Versions

Affected Versions

NetScaler ADC >= 14.1 and <= 73.32
NetScaler ADC >= 13.1 and <= 63.21
NetScaler Gateway >= 14.1 and <= 73.32
NetScaler Gateway >= 13.1 and <= 63.21

Patched Versions

NetScaler ADC 73.32
NetScaler ADC 63.21
NetScaler Gateway 73.32
NetScaler Gateway 63.21

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