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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-37.277 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-63.21 |
Related Weaknesses (CWE)
References
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-US Government Resource
FAQ
What is CVE-2026-19490?
CVE-2026-19490 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2026-19490?
CVE-2026-19490 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-19490?
Check the references section above for vendor advisories and patch information. Affected products include: Citrix Netscaler Application Delivery Controller, Citrix Netscaler Gateway.