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CVE-2026-13474

HIGH
8.7
CVSS 4.0
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

Metadata

CVE ID
CVE-2026-13474
State
PUBLISHED
Assigner
NetScaler
Reserved
2026-06-26 22:24 UTC
Published
2026-06-30 13:03 UTC
Last updated
2026-06-30 13:27 UTC
Primary CWE
CWE-401
CWE-401 Missing release of memory after effective lifetime
Vendor / Product
NetScaler / ADC
Sources
cve.org  ·  NVD

Severity & Metrics

8.7 HIGH CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (2)
VendorProductPlatformVersions
NetScaler ADC — 14.1 < 72.61, 13.1 < 63.18, 14.1 FIPS < 72.61, 13.1 FIPS and NDcPP < 37.272
NetScaler Gateway — 14.1 < 72.61, 13.1 < 63.18
Weakness (CWE)
CWESourceDescription
CWE-401 cna CWE-401 Missing release of memory after effective lifetime
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.7 HIGH 4.0 cna 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
References (1)
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