by Kastro
Paper/Archive/CVE-2026-88773

CVE-2026-88773

Citrix NetScaler ADC — HTTP Request Smuggling

EPSS 3%CVSS 10.0
critical.is priorityof 100
48
CVSS 10.0 (NVD)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 88.7.887 × 2017.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
ADC< 14.1-73.3714.1-73.37CNA
ADC< 13.1-64.2313.1-64.23CNA
ADC< 14.1-73.37 FIPS14.1-73.37 FIPSCNA
ADC< 13.1-37.279 and NDcPP13.1-37.279 and NDcPPCNA
Gateway< 14.1-73.37 FIPS14.1-73.37 FIPSCNA
Gateway< 13.1-64.2313.1-64.23CNA

Scores by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
NetScaler (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refsupport.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096