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 :

2026-03-13T09:40:43.743Z

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
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