NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490
CVSS Skor
9.3
EPSS İhtimal
%23.2
Risk Skoru
4.3
Yayın
1 ay önce
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Envanterimdeki Etkisi
Yalnızca hesabınıza eklediğiniz kişisel ürünler değerlendirilir; kurumsal envanter burada görünmez.
Oturum kontrol ediliyor…
Zafiyet Açıklaması
DayBreach CVE AI Araştırması
CVE-2026-19490 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
IMPACT — Etkilenen Ürünler ve Yazılımlar
Affected Products
The following products are affected by CVE-2026-19490 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | NetScaler | ADC | İncele |
| 2 | NetScaler | Gateway | İncele |
| 3 | citrix | netscaler application delivery controller | İncele |
| 4 | citrix | netscaler application delivery controller | İncele |
| 5 | citrix | netscaler application delivery controller | İncele |
| 6 | citrix | netscaler application delivery controller | İncele |
| 7 | citrix | netscaler gateway | İncele |
| 8 | citrix | netscaler gateway | İncele |
RED HAT CSAF/VEX — Ürün Etki Kontrolü
SCORING — CVSS Çoklu Kaynak Skoru
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.8 | CVSS V31 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD |
| 9.3 | CVSS V40 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/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:X | NVD |
| 9.3 | CVSS V4_0 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L | CVE CNA |
Yama ve İyileştirme Rehberi (Solution)
Solution & Remediation Advisory
Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Public exploit ve aktif sömürü durumu
Doğrulanmış exploit istihbaratı
Bu CVE CISA KEV kataloğunda aktif sömürülen olarak işaretli; ancak henüz doğrulanmış, indirilebilir bir public PoC veya Metasploit modülü bulunamadı. Aktif sömürü kanıtı public exploit kodu bulunduğu anlamına gelmez.
Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-19490 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-19490 weaknesses.
Saldırı Vektörü ve Erişilebilirlik Karakteristiği
Resmi Kaynaklar ve Danışma Bültenleri
CVSS Vektör Radar Grafiği
9.3 / 10Vulnerability Scoring Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:LGeçici çözüm
Zafiyet Türü (CWE & CAPEC)
İlgili Benzer Açıklar
Vulnerability in N/a
Code injection in Citrix NetScaler ADC
NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread
Memory buffer overflow in Citrix Netscaler Gateway
Vulnerability in N/a
Out-of-bounds read in Citrix Netscaler Gateway
Bu açığı API ile alın
Etkilenen ürünler, sürüm aralıkları, istismar durumu ve yama bilgisi tek istekte; ücretsiz anahtarla.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-19490"