CVE-2026-29203

Published May 8, 2026

Updated

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.

Affected Software

1 affected component

Cpanel Cpanel::Nova::Connector

Event History

May 8, 2026

CVE Published

via MITRE·06:51 PM

Data Sourced

via MITRE·06:51 PM

DescriptionWeakness

Data Sourced

via NVD·07:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-29203?

CVE-2026-29203 is considered a high-severity vulnerability due to its potential for local privilege escalation and denial of service.

How do I fix CVE-2026-29203?

To fix CVE-2026-29203, update to the latest version of the cPanel Nova plugin that addresses this vulnerability.

Who is affected by CVE-2026-29203?

Users of the cPanel Nova plugin, specifically those who have authenticated access, are affected by CVE-2026-29203.

What exploitation potential does CVE-2026-29203 have?

CVE-2026-29203 may allow an authenticated user to exploit the vulnerability to set root permissions on arbitrary files, leading to serious security implications.

What specific function in cPanel is related to CVE-2026-29203?

The vulnerability in CVE-2026-29203 is related to the chmod call in the Cpanel::Nova::Connector function.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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