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CVE-2026-19490— NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490

Quick assessment

Affected
NetScaler ADC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NetScaler ADC是NetScaler公司的一款负载均衡产品。 NetScaler ADC 14.1版本至73.32版本和13.1版本至63.21版本，以及NetScaler Gateway 14.1版本至73.32版本和13.1版本至63.21版本存在安全漏洞。

CVSS 9.3 · Critical EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
NetScaler ADC 14.1≤ 73.32 affected
13.1≤ 63.21 affected
NetScaler Gateway 14.1≤ 73.32 affected
13.1≤ 63.21 affected
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I. Basic Information for CVE-2026-19490

Vulnerability Information
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Vulnerability Title
NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NetScaler ADC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NetScaler ADC是NetScaler公司的一款负载均衡产品。 NetScaler ADC 14.1版本至73.32版本和13.1版本至63.21版本，以及NetScaler Gateway 14.1版本至73.32版本和13.1版本至63.21版本存在安全漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NetScaler ADC 14.1 ~ 73.32 -
NetScaler Gateway 14.1 ~ 73.32 -

II. Public POCs for CVE-2026-19490

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III. Intelligence Information for CVE-2026-19490

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IV. Related Vulnerabilities

Same product: ADC
Same vendor: NetScaler

V. Comments for CVE-2026-19490

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