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CVE-2026-29203

Quick assessment

Affected
WebPros cPanel
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.

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存在安全漏洞，该漏洞源于Cpanel::Nova::Connector中的chmod调用遵循符号链接，可能导致已认证的cPanel用户在其主目录下放置符号链接时设置任意系统文件或目录的root权限，造成拒绝服务或本地权限提升。

AI Predicted 7.8 Difficulty: Easy EPSS 0.52% · P42

Affected Version Matrix 13

VendorProduct Version RangeStatus
WebPros cPanel 11.136.0.0< 11.136.0.9 affected
11.134.0.0< 11.134.0.25 affected
11.132.0.0< 11.132.0.31 affected
11.130.0.0< 11.130.0.22 affected
11.126.0.0< 11.126.0.58 affected
11.124.0.0< 11.124.0.37 affected
11.118.0.0< 11.118.0.66 affected
11.110.0.0< 11.110.0.117 affected
… +3 more rows
WebPros cPanel (CloudLinux 6, CentOS 6) 11.110.0.0< 11.110.0.116 affected
WebPros WP Squared 11.136.1.0< 11.136.1.10 affected
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I. Basic Information for CVE-2026-29203

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
cPanel 安全漏洞
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存在安全漏洞，该漏洞源于Cpanel::Nova::Connector中的chmod调用遵循符号链接，可能导致已认证的cPanel用户在其主目录下放置符号链接时设置任意系统文件或目录的root权限，造成拒绝服务或本地权限提升。
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
WebPros cPanel 11.136.0.0 ~ 11.136.0.9 -
WebPros cPanel (CloudLinux 6, CentOS 6) 11.110.0.0 ~ 11.110.0.116 -
WebPros WP Squared 11.136.1.0 ~ 11.136.1.10 -

II. Public POCs for CVE-2026-29203

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III. Intelligence Information for CVE-2026-29203

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Same Patch Batch · WebPros · 2026-05-08 · 3 CVEs total

CVE-2026-29201 8.6 HIGH cPanel 输入验证错误漏洞
CVE-2026-29202 cPanel 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: cPanel
Same vendor: WebPros
Same weakness: CWE-61

V. Comments for CVE-2026-29203

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