CVE-2026-88773
HTTP Request Smuggling
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.
INFO
Published Date :
Sept. 27, 2026, 4:20 p.m.
Last Modified :
Sept. 27, 2026, 4:20 p.m.
Remotely Exploit :
Yes !
Source :
NetScaler
Affected Products
The following products are affected by CVE-2026-88773
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
Solution
- Update Citrix NetScaler ADC to version 14.1-73.37 or later.
- Update Citrix NetScaler ADC to version 13.1-64.23 or later.
- Update Citrix NetScaler Gateway to version 14.1-73.37 or later.
- Update Citrix NetScaler Gateway to version 13.1-64.23 or later.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-88773 vulnerability anywhere in the article.