CVE-2026-3055— Insufficient input validation leading to memory overread
Public Exploits 2
Metasploit · 1 citrix_netscaler_cve_2026_3055.rb [auxiliary]
Nuclei · 1 CVE-2026-3055.yaml [template]
In-the-Wild Activity Observed cisa_kev · confirmed
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1210 · Exploitation of Remote ServicesGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-3055
Vulnerability Information
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Vulnerability Title
Insufficient input validation leading to memory overread
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Citrix NetScaler ADC和Citrix NetScaler Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Citrix NetScaler ADC和Citrix NetScaler Gateway都是美国Citrix公司的产品。Citrix NetScaler ADC是一个应用程序交付和安全性平台。Citrix NetScaler Gateway是一种安全远程访问的解决方案。 Citrix NetScaler ADC和Citrix NetScaler Gateway存在安全漏洞，该漏洞源于配置为SAML IDP时输入验证不足，可能导致内存过度读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
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Affected Products
II. Public POCs for CVE-2026-3055
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | NetScaler ADC and NetScaler Gateway contain an insufficient input validation vulnerability when configured as a SAML IDP, leading to memory overread, letting attackers potentially access sensitive memory, exploit requires configuration as SAML IDP | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-3055.yaml | POC Details |
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Vendor Pages for CVE-2026-3055 (1)
IV. Related Vulnerabilities
Same product: ADC
- CVE-2026-13474
Denial of service via malformed HTTP/2 requests - CVE-2026-10817
Insufficient input validation leading to memory overread - CVE-2026-10816
Arbitrary File Read (Unauthenticated) - CVE-2026-8655
Multiple Memory overflow vulnerabilities leading to unpredic - CVE-2026-8452
Memory overflow vulnerability leading to unpredictable or er
Same vendor: NetScaler
- CVE-2026-13474
Denial of service via malformed HTTP/2 requests - CVE-2026-10817
Insufficient input validation leading to memory overread - CVE-2026-10816
Arbitrary File Read (Unauthenticated) - CVE-2026-8655
Multiple Memory overflow vulnerabilities leading to unpredic - CVE-2026-8452
Memory overflow vulnerability leading to unpredictable or er
Same weakness: CWE-125
V. Comments for CVE-2026-3055
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