Critical [CVE-2026-88773] HTTP Request Smuggling
This critical-severity NetScaler (Citrix) advisory covers CVE-2026-88773 affecting Gateway.
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Summary
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.
- ADC before 14.1-73.37
- ADC before 13.1-64.23
- ADC before 14.1-73.37 FIPS
- ADC before 13.1-37.279 and NDcPP
- Gateway before 14.1-73.37 FIPS
- Gateway before 13.1-64.23
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
- 14.1-73.37
- 13.1-64.23
- 14.1-73.37 FIPS
- 13.1-37.279 and NDcPP
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation
Upgrade to a fixed release: 14.1-73.37, 13.1-64.23, 14.1-73.37 FIPS, 13.1-37.279 and NDcPP. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Discussion(0)
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