CVE-2025-39664

Medium

Description

Insufficient escaping in the report scheduler within Checkmk <2.4.0p13, <2.3.0p38, <2.2.0p46 and 2.1.0 (EOL) allows authenticated attackers to define the storage location of report file pairs beyond their intended root directory.

SeverityMedium
CVSS6.5
Exploit probability—
ProductCheckmk
PublishedOct 9, 2025
First seenOct 9, 2025

How to fix

Update
  • checkmk checkmk2.2.0 or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
checkmk checkmk2.1.0 ≤ v < 2.2.0, 2.2.0, 2.3.0, 2.4.02.2.0

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