Description
Vulnerability in NetScaler ADC and NetScaler Gateway.
This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NetScaler | ADC | 14.1 – ≤ 73.32, 13.1 – ≤ 63.21 | — |
| NetScaler | Gateway | 14.1 – ≤ 73.32, 13.1 – ≤ 63.21 | — |
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-2026-19489-check ★ 0 · Oct 23, 2026
Offline NetScaler ADC / Gateway evidence checker for CVE-2026-19489. 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-2026-0318 Kwetsbaarheden verholpen in Citrix NetScaler ADC en NetScaler Gateway NCSC-NL (Netherlands) · Sep 7, 2026
- WID-SEC-2026-2927 Citrix Systems NetScaler (Gateway und ADC): Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 6, 2026