CVE-2026-41940— WebPros cPanel and WHM Authentication Bypass via Login Flow
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I. Basic Information for CVE-2026-41940
Vulnerability Information
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Vulnerability Title
WebPros cPanel and WHM Authentication Bypass via Login Flow
Source: NVD (National Vulnerability Database)
Vulnerability Description
cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
cPanel 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cPanel是美国cPanel公司的一套基于Web的自动化主机托管平台。该平台主要用于自动化管理网站和服务器。 cPanel存在访问控制错误漏洞，该漏洞源于登录流程中存在身份验证绕过问题，可能导致未经身份验证的远程攻击者未经授权访问控制面板。
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-2026-41940
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | cPanel and WHM versions prior to 11.110.0.97, 11.118.0.63, 11.126.0.54, 11.132.0.29, 11.134.0.20, and 11.136.0.5 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41940.yaml | POC Details |
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- cPanel & WHM Authentication Bypass via Login Flow | Advisories | VulnCheckthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-41940
IV. Related Vulnerabilities
Same weakness: CWE-306
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