Vulnerability · Published Oct 9, 2025 · Assigned by Checkmk

CVE-2025-39664Path-Traversal in report scheduler

High 7.1

In plain English

A high-severity path traversal in Checkmk from Checkmk GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.7%top 46.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Checkmk GmbH Checkmk 2.4.0 – before 2.4.0p132.3.0 – before 2.3.0p382.2.0 – before 2.2.0p462.1.0

Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

References