Citrix · NetScaler
CVE-2026-88771
A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands
ما هي
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to an unauthenticated attacker to execute arbitrary commands.
CISA: Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands.
ما العمل
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.
الموعد النهائي للوكالات الفدرالية الأمريكية: 30 سبتمبر 2026
ثغرات مُستغلّة أخرى من Citrix
| أُضيفت | الثغرة | المنتج | الخطورة | احتمال الهجوم |
|---|---|---|---|---|
| 04/10/2026 | Improper Restriction of Operations within the Bounds of a Memory Buffer | NetScaler | مرتفع 8.7 | 11% |
| 27/09/2026 | Improper Restriction of Operations within the Bounds of a Memory Buffer | NetScaler | حرجة 9.5 | 78% |
| 09/09/2026 | Authentication Bypass Using an Alternate Path or Channel | NetScaler | حرجة 9.3 | 33% |
| 30/03/2026 | Out-of-Bounds Read | NetScaler | حرجة 9.3 | 91% |
| 26/08/2025 | Memory Overflow | NetScaler | حرجة 9.2 | 21% |
| 26/08/2026 | Improper Restriction of Operations within the Bounds of a Memory Buffer | NetScaler ADC and NetScaler Gateway | مرتفع 8.8 | 1.0% |
| 25/08/2025 | Improper Privilege Management | Session Recording | متوسطة 5.1 | 3.5% |
| 25/08/2025 | Deserialization of Untrusted Data | Session Recording | متوسطة 5.1 | 21% |
المصادر: Known Exploited Vulnerabilities (CISA، ملكية عامة)، وCVE records (cve.org)، وEPSS (FIRST). احتمال الهجوم هو تقدير EPSS لاحتمال أن يحاول أحد استغلال الثغرة خلال الأيام الـ30 القادمة.