CVE-2026-13474
Last modified
CVE-2026-13474 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | < 13.1-37.272 |
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-63.18 |
| Citrix | Netscaler Application Delivery Controller | >= 14.1, < 14.1-72.61 |
| Citrix | Netscaler Application Delivery Controller | 14.1-66.68 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-63.18 |
| Citrix | Netscaler Gateway | >= 14.1, < 14.1-72.61 |
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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