CVE-2026-88773
CriticalCVSS 9.3Summary
HTTP Request/Response Smuggling vulnerability in Citrix NetScaler ADC and Gateway due to inconsistent interpretation of HTTP requests.
Risk Assessment
An attacker could exploit parsing discrepancies to intercept or manipulate traffic, potentially compromising session integrity and data.
Recommendation
Update Citrix NetScaler ADC and Gateway to patched versions (e.g., 14.1-73.37 or later, 13.1-64.23 or later).
Other vulnerabilities in Citrix NetScaler ADC
See all- CVE-2026-88778High
Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Gateway.
- CVE-2026-88777High
Memory overflow vulnerability in Citrix NetScaler ADC and Gateway leading to unpredictable or erroneous behavior or Denial of Service.
- CVE-2026-88776High
Memory overflow vulnerability in Citrix NetScaler ADC and Gateway leading to unpredictable or erroneous behavior or Denial of Service.
- CVE-2026-88775High
Memory overflow vulnerability in Citrix NetScaler ADC and Gateway leading to unpredictable or erroneous behavior or Denial of Service.
- CVE-2026-88774High
Vulnerability in Citrix NetScaler ADC and Gateway leading to a feature policy bypass due to improper HTTP URL based expression usage.
- CVE-2016-9028High
An unauthorized redirect vulnerability in Citrix NetScaler ADC before version 10.1 135.8, 10.5 61.11, 11.0 65.31/65.35F, and 11.1 47.14 allows a remote attacker to steal session cookies of a legitimate AAA user via manipulation of the Host header.
- CVE-2026-88772Critical
Vulnerability in Citrix NetScaler ADC and Gateway leading to Remote Code Execution or Denial of Service.
- CVE-2026-88771Critical
Improper input validation in Citrix NetScaler ADC and Gateway allows an unauthenticated attacker to execute arbitrary commands.
Original NVD description (English source)
Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') 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 and NDcPP; Gateway: before 14.1-73.37 FIPS and before 13.1-64.23.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS