Description

Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows unauthenticated users to enumerate existing hosts by observing different HTTP response codes in deploy_agent endpoint, which could lead to information disclosure.

INFO

Published Date :

2026-03-13T09:40:43.743Z

Last Modified :

2026-03-13T15:48:18.690Z

Source :

Checkmk
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2859 vulnerability.

Vendors Products
Checkmk
  • Checkmk
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2859.

URL Resource
https://checkmk.com/werk/18994 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

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