CVE-2026-13474 HIGH

CVE-2026-13474: Denial of service via malformed HTTP/2 requests

Vendor Netscaler
Product ADC
Weakness CWE-401
Published June 30, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 30, 2026 CVE published
June 30, 2026 Record updated