CVE-2026-29203
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
cPanel
PublishedMay 8, 2026
First seenMay 8, 2026
Weakness typeCWE-61CWE-61
How to fix
Update
- WebPros cPanel11.136.0.9, 11.134.0.25, 11.132.0.31, 11.130.0.22, 11.126.0.58, 11.124.0.37, 11.118.0.66, 11.110.0.117, 11.102.0.41, 11.94.0.30, 11.86.0.43 or later
- WebPros cPanel (CloudLinux 6, CentOS 6)11.110.0.116 or later
- WebPros WP Squared11.136.1.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WebPros cPanel | 11.136.0.0 ≤ v < 11.136.0.9, 11.134.0.0 ≤ v < 11.134.0.25, 11.132.0.0 ≤ v < 11.132.0.31, 11.130.0.0 ≤ v < 11.130.0.22, 11.126.0.0 ≤ v < 11.126.0.58, 11.124.0.0 ≤ v < 11.124.0.37, 11.118.0.0 ≤ v < 11.118.0.66, 11.110.0.0 ≤ v < 11.110.0.117, 11.102.0.0 ≤ v < 11.102.0.41, 11.94.0.0 ≤ v < 11.94.0.30, 11.86.0.0 ≤ v < 11.86.0.43 | 11.136.0.9, 11.134.0.25, 11.132.0.31, 11.130.0.22, 11.126.0.58, 11.124.0.37, 11.118.0.66, 11.110.0.117, 11.102.0.41, 11.94.0.30, 11.86.0.43 |
| WebPros cPanel (CloudLinux 6, CentOS 6) | 11.110.0.0 ≤ v < 11.110.0.116 | 11.110.0.116 |
| WebPros WP Squared | 11.136.1.0 ≤ v < 11.136.1.10 | 11.136.1.10 |
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