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CVE-2026-33432— Roxy-WI has Pre-Authentication LDAP Injection that Leads to Authentication Bypass

Quick assessment

Affected
roxy-wi roxy-wi
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.

Roxy-WI是Roxy-WI开源的一款用于管理 Haproxy、Nginx 和 Keepalived 服务器的 Web 界面。 Roxy-WI 8.2.8.2及之前版本存在安全漏洞，该漏洞源于LDAP身份验证时未对用户名中的特殊字符进行转义，可能导致身份验证绕过。

AI Predicted 9.8 Difficulty: Easy EPSS 0.56% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-33432

Vulnerability Information
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Vulnerability Title
Roxy-WI has Pre-Authentication LDAP Injection that Leads to Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions up to and including 8.2.8.2, when LDAP authentication is enabled, Roxy-WI constructs an LDAP search filter by directly concatenating the user-supplied login username into the filter string without escaping LDAP special characters. An unauthenticated attacker can inject LDAP filter metacharacters into the username field to manipulate the search query, cause the directory to return an unintended user entry, and bypass authentication entirely — gaining access to the application without knowing any valid password. As of time of publication, no known patches are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Roxy-WI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roxy-WI是Roxy-WI开源的一款用于管理 Haproxy、Nginx 和 Keepalived 服务器的 Web 界面。 Roxy-WI 8.2.8.2及之前版本存在安全漏洞，该漏洞源于LDAP身份验证时未对用户名中的特殊字符进行转义，可能导致身份验证绕过。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
roxy-wi roxy-wi <= 8.2.8.2 -

II. Public POCs for CVE-2026-33432

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III. Intelligence Information for CVE-2026-33432

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Patches & Fixes for CVE-2026-33432 (1)

Vendor Advisories for CVE-2026-33432 (1)

IV. Related Vulnerabilities

Same product: roxy-wi
Same vendor: roxy-wi
Same weakness: CWE-287

V. Comments for CVE-2026-33432

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