NetScaler ADC and Gateway
CVE-2026-88773: HTTP Request Smuggling
Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| ADC 0 | 14.1-73.37 or later |
| ADC 0 | 13.1-64.23 or later |
| ADC 0 | 14.1-73.37 FIPS or later |
| ADC 0 | 13.1-37.279 and NDcPP or later |
| Gateway 0 | 14.1-73.37 FIPS or later |
| Gateway 0 | 13.1-64.23 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.