Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway

Citrix has identified a vulnerability in NetScaler ADC and NetScaler Gateway. This vulnerability involves a memory overflow in versions of NetScaler ADC and NetScaler Gateway that are older than 14.1-73.41 and 13.1-64.28. This vulnerability can lead to a Denial of Service DoS attack, thereby...

CitrixBleedCVE-2026-8452-2025-5777

CitrixBleed 漏洞利用工具 - CVE-2025-5777 与 CVE-2026-8452 未经身份验证即可从 Citrix NetScaler ADC 与 Gateway 远程读取内存。窃取管理员会话令牌、提取 nsroot 哈希、转储机密信息并绕过 MFA。基于 Python 3 的漏洞利用工具，具备完整的内存解析功能。 https://satoshi-box.com/pay/CSHeT8...

CVE-2019-19781-CitrixRCE

Citrix未授权远程代码执行攻击工具 - CVE-2019-19781 参考资料： https://blog.fox-it.com/2020/07/01/a-second-look-at-cve-2019-19781-citrix-netscaler-adc/ 绕过方式： 1 - 已删除/修改的脚本位于：/vpn/../vpns/portal/scripts/ 2 - Perl命令注入（模板注入）攻击后出现的正斜杠（"/"）问题...

Citrix NetScaler ADC and Citrix NetScaler Gateway Security Bulletin for CVE-2026-88779

Severity - High Description of Problem A vulnerability has been discovered in Citrix NetScaler ADC formerly Citrix ADC and Citrix NetScaler Gateway formerly Citrix Gateway. Refer below for further details. Affected Versions: The following supported versions of NetScaler are affected by the...

CVE-2023-3519

CVE-2023-3519 识别易受CVE-2023-3519漏洞影响的NetScaler Citrix ADC服务器 从 https://github.com/mr-r3b00t/CVE-2023-3519 移植到Python 未经测试。 使用风险自负...

CVE-2025-5777

🩸 CVE-2025-5777 - CitrixBleed 2 Citrix NetScaler / ADC におけるメモリ開示の脆弱性 📌 1. エグゼクティブサマリー CitrixBleed 2 は、以下の製品に影響を与える重大なメモリ開示脆弱性を指します。 🏢 Citrix NetScaler ADC 🌐 NetScaler Gateway 🔐 インターネット公開のVPNアプライアンス この脆弱性により、認証されていない攻撃者が巧妙に細工されたネットワークリクエストを送信することで、影響を受けるデバイスから機密性の高いメモリ内容を取得することが可能になります。...

Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attempt theft of configuration data. LevelBlue's Threat Hunt Operations & Research THOR team, which analyzed the...

Vulnerabilities in NetScaler ADC and NetScaler Gateway

Citrix has identified 8 vulnerabilities in NetScaler ADC and NetScaler Gateway. The following supported versions of Citrix NetScaler ADC and Citrix NetScaler Gateway are vulnerable: - Citrix NetScaler ADC and Citrix NetScaler Gateway 14.1 before version 14.1-73.37 - Citrix NetScaler ADC and Citri...

Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT

Unknown threat actors have been observed exploiting a newly patched security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances to target organizations in North America and Europe. The activity, observed by Mandiant Consulting and Google Threat Intelligence Group GTIG in September 2026...

Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution

Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-88772 CVSS score: 9.5, has been described as a memory overflow bu...

PT-2026-102621

CVE-2026-88771 & CVE-2026-887722: RCE and/or DoS in Citrix NetScaler ADC and NetScaler Gateway, both rated 9.5 ‍🔥 Citrix disclosed two exploited vulnerabilities. The first CVE-2026-88771 allows an unauthenticated attacker to run arbitrary commands. It affects all NetScaler ADC and NetScaler Gateway...

Exploit for CVE-2026-88772

CVE-2026-88772 - Citrix NetScaler ADC/Gateway DTLS memory over...

CISA Says Attackers Are Exploiting Two Critical Citrix NetScaler Flaws Globally

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities KEV catalog, following reports of active exploitation. The vulnerabilities are listed below - CVE-2026-88771 CVSS score: 9.5 - ...

CVE-2019-19781-Checker

CVE-2019-19781-检查器 检查您的网站是否存在CVE-2019-19781漏洞 访问 https://citrix-checker.com 检查您是否受CVE-2019-19781影响 请使用我们的检查器两次以确保准确 本网站将给出您的服务是否受CVE-2019-19781影响的结果。存在一个响应器策略，可在永久修复之前缓解该问题。 要应用修复，请登录控制台或使用putty访问并登录。默认用户名：nsroot，默认密码：nsroot 成功登录后，您可以运行以下命令： enable ns feature responder add responder action...

Citrix NetScaler ADC and Gateway DTLS Vulnerability Scanner

Citrix NetScaler ADC and NetScaler Gateway versions before 14.1-73.37 and 13.1-64.23 contain a DTLS memory overflow vulnerability that may lead to remote code execution or denial of service. This tool fingerprints exposed services, assesses build versions, and optionally sends a DTLS probe...

CVE-2026-88778

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...

CVE-2026-88772

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 leading to Remote Code Execution or Denial of Service...

CVE-2026-88773

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 FIP...

CVE-2026-88776

Memory overflow vulnerability 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 leading to unpredictable...

CVE-2026-88771

Improper input validation 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 leading to an unauthenticated...