CVE-2026-29203 - Vulnerability Analysis

Overview

cPanel Nova plugin contains a local privilege escalation and denial of service vulnerability caused by a chmod call following symlinks, letting authenticated users set root permissions on arbitrary files, exploit requires authenticated user symlink placement.

Severity & Score

Impact

Authenticated users can escalate privileges or cause denial of service by setting root permissions on arbitrary files.

Mitigation

Update to the latest version of the cPanel Nova plugin that fixes symlink handling.

References

• https://support.cpanel.net/hc/en-us/articles/40311543760407-Security-CVE-2026-29203-cPanel-WHM-WP2-Security-Update-May-08-2026

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner