Summary
generated automatically from NVD dataCVE-2026-88773 is an HTTP request/response smuggling flaw (CWE-444) in Citrix NetScaler ADC and NetScaler Gateway, caused by inconsistent interpretation of HTTP requests. Affected releases are ADC builds before 14.1-73.37 and 13.1-64.23 (plus the FIPS and NDcPP variants) and Gateway builds before 13.1-64.23 and the 14.1-73.37 FIPS release. It is rated CRITICAL with a CVSS v3.1 score of 10.0, reachable over the network without authentication or user interaction, with high confidentiality and integrity impact.
NVD description
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.
EPSS · FIRST.org
0.36%probability of exploitation in the next 30 days
Higher than 28% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 27 sept. 2026
- Updated
- 29 sept. 2026
- Status
- Analyzed
- Source
- 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Affected products
Weaknesses (CWE)
References (1)
Similar CVEs
Other vulnerabilities of type CWE-444
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