High severity · published Aug 19, 2026
CVE-2026-19489
Vulnerability in NetScaler ADC and NetScaler Gateway
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AD
ADC · NetScaler
14.1 through 73.32; 13.1 through 63.21 · source: vendor
GA
Gateway · NetScaler
14.1 through 73.32; 13.1 through 63.21 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19489
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-19489
support.citrix.com
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939
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