AUGUST 4, 2026
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Case File

CVE-2026-2859

MEDIUM · CVSS 4.3 EPSS 0.19%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-13 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-2859
Severity
MEDIUM
CVSS
4.3
EPSS
0.19%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)