CVE-2026-19490

EUVD-2026-62395
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 97.71%
Affected Products (NVD)
VendorProductVersion
citrixnetscaler_application_delivery_controller
13.1 ≤
𝑥
< 13.1-37.277
citrixnetscaler_application_delivery_controller
13.1 ≤
𝑥
< 13.1-63.21
citrixnetscaler_application_delivery_controller
14.1 ≤
𝑥
< 14.1-73.32
citrixnetscaler_application_delivery_controller
14.1-66.68 ≤
𝑥
≤ 14.1-73.32
citrixnetscaler_gateway
13.1 ≤
𝑥
< 13.1-63.21
citrixnetscaler_gateway
14.1 ≤
𝑥
< 14.1-73.32
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-19490