Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-3055— Insufficient input validation leading to memory overread

Quick assessment

Affected
NetScaler ADC
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

AI Predicted 7.5 Difficulty: Hard KEV EPSS 4.04% · P90
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-3055

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NetScaler ADC 14.1 ~ 66.59 -
NetScaler Gateway 14.1 ~ 66.59 -

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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-3055

请登录查看更多情报信息。

Vendor Pages for CVE-2026-3055 (1)

IV. Related Vulnerabilities

Same product: ADC
Same vendor: NetScaler
Same weakness: CWE-125

V. Comments for CVE-2026-3055

No comments yet

Leave a comment