CVE-2026-13474CWE-401

Denial of service via malformed HTTP/2 requests

High · published June 30, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
45.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00556 · 45.6th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-06-30T13:03Z
EPSS history
Timeline
  • 30 JUN 13:03Z
    Denial of service via malformed HTTP/2 requests
    cvelistv5