CVE-2026-29204

Published: May 12, 2026Modified: Jun 17, 2026Deferred

9.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitability: 3.9 / Impact: 5.2

Source: support@hackerone.com (Secondary)

Description

Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.

Related CWEs

CWE-639

Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

References (1)

https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204

Source: support@hackerone.com

Timeline

No history available yet.