Description
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NetScaler | ADC | 14.1 – < 72.61, 13.1 – < 63.18, 14.1 FIPS – < 72.61, 13.1 FIPS and NDcPP – < 37.272 | 72.61 |
| NetScaler | Gateway | 14.1 – < 72.61, 13.1 – < 63.18 | 72.61 |
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.
GitHub 5 repositories
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securekomodo/citrixInspector ★ 96 · Jul 20, 2023
Passively fingerprint Citrix ADC / NetScaler ADC & Gateway builds and detect known CVEs — CVE-2023-3519, CitrixBleed 2/3, CVE-2026-8452, and CVE-2026-88771/88772 (KEV)
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watchtowrlabs/watchTowr-vs-Citrix-Netscaler-PreAuth-RCE-CVE-2026-8452 ★ 65 · Aug 14, 2026
CVE-2026-8452 PreAuth RCE
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BishopFox/CVE-2026-8452-check ★ 1 · Aug 20, 2026
Safely detect Citrix NetScaler CVE-2026-8452
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techupdate24/citrix-netscaler-cve-2026-8452-rce ★ 0 · Sep 27, 2026
A complete guide and workflow for integrating Agile sprints with DevOps CI/CD pipelines.
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maxprog-svg/CitrixBleedCVE-2026-8452-2025-5777 ★ 0 · Aug 30, 2026
CitrixBleed Exploit Tool - CVE-2025-5777 & CVE-2026-8452. Unauthenticated remote memory read from Citrix NetScaler ADC & Gateway. Steal admin session tokens, extract nsroot hashes, dump secrets, and …
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2026-2147 Citrix Systems NetScaler ADC und Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
- NCSC-2026-0216 Kwetsbaarheden verholpen in Citrix Netscaler ADC en Netscaler Gateway NCSC-NL (Netherlands) · Aug 18, 2026