CVE-2026-13474

EUVD-2026-40320
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.67%
Affected Products (NVD)
VendorProductVersion
citrixnetscaler_application_delivery_controller
𝑥
< 13.1-37.272
citrixnetscaler_application_delivery_controller
𝑥
< 13.1-37.272
citrixnetscaler_application_delivery_controller
13.1 ≤
𝑥
< 13.1-63.18
citrixnetscaler_application_delivery_controller
14.1 ≤
𝑥
< 14.1-72.61
citrixnetscaler_application_delivery_controller
14.1-66.68
citrixnetscaler_gateway
13.1 ≤
𝑥
< 13.1-63.18
citrixnetscaler_gateway
14.1 ≤
𝑥
< 14.1-72.61
𝑥
= Vulnerable software versions