CVE-2026-88771
A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands
Citrix·NetScaler
- Added
- Sep 27, 2026
- Fix due
- Sep 30, 2026
- Ransomware
- Not known
- Published
- Sep 27, 2026
- Updated
- Sep 29, 2026
- First covered
- Sep 30, 2026
- Latest story
- 1 month ago
Summary
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.
CWE-20Improper input validation
Attack profile
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HCISA required action
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.
Affected products
- Citrix NetScaler ADCbefore 14.1-73.37before 13.1-64.23before 14.1-73.37 FIPSbefore 13.1.37.279 FIPS and NDcPP
- Citrix NetScaler Gatewaybefore 14.1-73.37before 13.1-64.23