Description

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. In versions from 3.5.1 and prior, a mass assignment vulnerability in Checkmate's user profile update endpoint allows any authenticated user to escalate their privileges to superadmin, bypassing all role-based access controls. An attacker can modify their user role to gain complete administrative access to the application, including the ability to view all users, modify critical configurations, and access sensitive system data. At time of publication, there are no publicly available patches.

INFO

Published Date :

2026-03-20T17:50:12.545Z

Last Modified :

2026-03-20T21:27:29.683Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-31836 vulnerability.

Vendors Products
Bluewave-labs
  • Checkmate
Bluewavelabs
  • Checkmate
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-31836.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact