CVE-2026-13474

highpriority · track · 30EPSS 0.006 · 46 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (46th) EPSS

CVSS 7.5 · high

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-24

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

cvss

Technical severity, 0–10. One row per scoring source.

8.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Lsecondary · ENISA EU

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary

v4.06.6mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-401USCWE-401US

affected products (21)

Products and version ranges known to be affected.

Citrix Systems NetScaler≤ ADC <13.1-63.18cert_bundDE
Citrix Systems NetScaler≤ ADC <13.1-FIPS 13.1.37.272cert_bundDE
Citrix Systems NetScaler≤ ADC <13.1-NDcPP 13.1.37.272cert_bundDE
Citrix Systems NetScaler≤ ADC <14.1-72.61cert_bundDE
Citrix Systems NetScaler≤ ADC <14.1-72.61 FIPScert_bundDE
Citrix Systems NetScaler≤ Gateway <13.1-63.18cert_bundDE
Citrix Systems NetScaler≤ Gateway <14.1-72.61cert_bundDE
NetScaler ADC13.1 → 63.18enisa_euvdEU
NetScaler ADC13.1 FIPS and NDcPP → 37.272enisa_euvdEU
NetScaler ADC14.1 → 72.61enisa_euvdEU
NetScaler ADC14.1 FIPS → 72.61enisa_euvdEU
NetScaler Gateway13.1 → 63.18enisa_euvdEU
NetScaler Gateway14.1 → 72.61enisa_euvdEU
NetScaler ADC≤ vers:unknown/*ncsc_nlNL
NetScaler Gateway≤ vers:unknown/*ncsc_nlNL
citrix netscaler application delivery controller< 13.1-37.272nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller13.1 → 13.1-63.18nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller14.1 → 14.1-72.61nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller= 14.1-66.68nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler gateway13.1 → 13.1-63.18nvdUScpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0216Kwetsbaarheden verholpen in Citrix Netscaler ADC en Netscaler GatewayNL2026-06-30csaf · ncsc_nlNL
Citrix heeft kwetsbaarheden verholpen in NetScaler ADC en NetScaler Gateway die verband houden met onvoldoende invoervalidatie, onjuiste toegangscontrole en het onjuist vrijgeven van geheugen.
WID-SEC-W-2026-2147Citrix Systems NetScaler ADC und Gateway: Mehrere SchwachstellenDeutsch2026-06-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Citrix Systems NetScaler ADC und Gateway ausnutzen, um Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen oder andere, nicht näher spezifizierte Auswirkungen auszulösen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-06-30modified 2026-07-02

references (3)

External citations — patches, advisories, analysis.

scry

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