CVE-2026-13474 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

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

History

Tue, 30 Jun 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 30 Jun 2026 13:15:00 +0000

Type	Values Removed	Values Added
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
Title		Denial of service via malformed HTTP/2 requests
Weaknesses		CWE-401
References		https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604
Metrics		cvssV4_0 `{'score': 8.7, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: NetScaler

Published: 2026-06-30T13:03:40.967Z

Updated: 2026-06-30T13:27:27.938Z

Reserved: 2026-06-26T22:24:26.657Z

Link: CVE-2026-13474

Vulnrichment

Updated: 2026-06-30T13:27:22.904Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-30T15:30:15Z

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