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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-88771— A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands

Quick assessment

Affected
Citrix NetScaler ADC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 存在不当输入验证漏洞。 该漏洞影响以下版本的 ADC：14.1-73.37 之前的版本、13.1-64.23 之前的版本、14.1-73.37 FIPS 之前的版本，以及 13.1.37.279 FIPS 和 NDcPP 之前的版本；以及以下版本的 Gateway：14.1-73.37 之前的版本和 13.1-64.23 之前的版本。攻击者无需认证即可执行任意命令。

CVSS 9.5 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-88771

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands
Source: CVE Program / CVE List V5
Vulnerability Description
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 attacker to execute arbitrary commands.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Citrix NetScaler ADC 0 ~ 14.1-73.37 -
Citrix NetScaler Gateway 0 ~ 14.1-73.37 -

II. Public POCs for CVE-2026-88771

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-88771

请登录查看更多情报信息。

Other References for CVE-2026-88771 (1)

Same Patch Batch · Citrix NetScaler · 2026-09-27 · 8 CVEs total

CVE-2026-88772 9.5 CRITICAL Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
CVE-2026-88773 9.3 CRITICAL HTTP Request Smuggling
CVE-2026-88775 8.8 HIGH Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of
CVE-2026-88776 8.8 HIGH Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of
CVE-2026-88778 8.8 HIGH TCP Initial Sequence Number (ISN) prediction
CVE-2026-88777 8.8 HIGH Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of
CVE-2026-88774 7.0 HIGH Feature policy bypass due to improper HTTP URL based expression usage

IV. Related Vulnerabilities

Same product: ADC
Same vendor: Citrix NetScaler
Same weakness: CWE-20

V. Comments for CVE-2026-88771

No comments yet

Leave a comment