CVE-2026-29203
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I. Basic Information for CVE-2026-29203
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-61
Source: NVD (National Vulnerability Database)
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 (CentOS 6, CloudLinux 6) | 11.110.0.0 ~ 11.110.114 | - | |
| WebPros | WP Squared | 11.136.1.0 ~ 11.136.1.10 | - |
II. Public POCs for CVE-2026-29203
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · WebPros · 2026-05-08 · 3 CVEs total
| CVE-2026-29202 | cPanel 输入验证错误漏洞 | |
| CVE-2026-29201 | cPanel 输入验证错误漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-61
- CVE-2026-42275
zrok: WebDAV drive backend follows symlinks outside DriveRoo - CVE-2026-31893
Tunnelblick arbitrary file read via symlink following in tun - CVE-2026-7832
IObit Advanced SystemCare Service ASC.exe symlink - CVE-2026-43570
OpenClaw 2026.3.22 < 2026.4.5 - Symlink Traversal in Remote - CVE-2026-7397
NousResearch hermes-agent file_tools.py _check_sensitive_pat
V. Comments for CVE-2026-29203
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