CVE-2026-19489

State: Published
Severity: 8.8 High
Published: Aug 19, 2026
Updated: Aug 20, 2026
Reserved: Aug 10, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	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	NetScaler

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
ADCNetScaler	14.1 through 73.32Affected 13.1 through 63.21Affected
GatewayNetScaler	14.1 through 73.32Affected 13.1 through 63.21Affected

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939

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