Description
Predictable exact value from previous values 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 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Citrix NetScaler | ADC | < 14.1-73.37, < 13.1-64.23, < 14.1-73.37 FIPS, < 13.1.37.279 FIPS and NDcPP | 14.1-73.37 |
| Citrix NetScaler | Gateway | < 14.1-73.37, < 13.1-64.23 | 14.1-73.37 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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CompleteTech-Security/netscaler-cve-2026-88778-check ★ 0 · Oct 23, 2026
Offline NetScaler ADC / Gateway evidence checker for CVE-2026-88778. Reported firmware and configuration evidence. Standalone Python; JSON/CSV/HTML reports; no exploit payloads.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- NCSC-2026-0394 Kwetsbaarheden verholpen in NetScaler ADC en NetScaler Gateway NCSC-NL (Netherlands) · Sep 30, 2026
- WID-SEC-2026-3587 Citrix NetScaler ADC und Citrix NetScaler Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 28, 2026