Vulnerability in NetScaler ADC and Gateway by Citrix
CVE-2026-19490

9.3CRITICAL

Key Information:

Vendor

Netscaler
Status
Adc
Gateway
Vendor
CVE Published:
19 August 2026

What is CVE-2026-19490?

The vulnerability in NetScaler ADC and NetScaler Gateway allows for unauthorized access and potential exploitation, impacting multiple versions of these products. This issue highlights the need for immediate action to secure affected systems to prevent unauthorized data access and maintain network integrity.

Affected Version(s)

ADC 14.1 <= 73.32

ADC 13.1 <= 63.21

Gateway 14.1 <= 73.32

References

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

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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