CVE-2026-13474

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

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*
	cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68::::fips:::
	cpe:2.3:a:citrix:netscaler_gateway::::::::
	cpe:2.3:a:citrix:netscaler_gateway::::::::

History

02 Jul 2026, 16:55

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Citrix Citrix netscaler Gateway Citrix netscaler Application Delivery Controller
References	~~() https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 -~~	() https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 - Vendor Advisory
CPE		cpe:2.3:a:citrix:netscaler_gateway:::::::: cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68::::fips::: cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*

30 Jun 2026, 13:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-30 13:17

Updated : 2026-07-02 16:55

NVD link : CVE-2026-13474

Mitre link : CVE-2026-13474

CVE.ORG link : CVE-2026-13474

JSON object : View

Products Affected

citrix

netscaler_gateway
netscaler_application_delivery_controller

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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