CVE-2025-39664

MEDIUM
Published Oct 9, 2025 Modified Dec 4, 2025 CWE-22

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.

Is your site exposed to CVE-2025-39664?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor Product
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk
checkmk checkmk

References

Frequently Asked Questions

What is CVE-2025-39664? +
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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-39664? +
CVE-2025-39664 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-39664? +
CVE-2025-39664 affects products from checkmk, specifically: checkmk. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-39664? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2025-39664 — free, no signup required.