CVE-2026-19490
Last modified
CVE-2026-19490 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.37% chance of exploitation in the next 30 days.
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-37.277 |
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-63.21 |
| Citrix | Netscaler Application Delivery Controller | >= 14.1, < 14.1-73.32 |
| Citrix | Netscaler Application Delivery Controller | >= 14.1-66.68, <= 14.1-73.32 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-63.21 |
| Citrix | Netscaler Gateway | >= 14.1, < 14.1-73.32 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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