High 7.1Published Oct 9, 2025

CVE-2025-39664Path-Traversal in report scheduler

Updated under an hour ago (Oct 26, 2026, 11:30 AM ET)

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It affects Checkmk GmbH Checkmk. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Checkmk GmbH Checkmk

Exploited in the last 30 days

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.

CVSS: 7.1 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Checkmk
NVD analysis: Analyzed
Record last updated: Nov 3, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Checkmk GmbH Checkmk checkmk:checkmk (from the name)	from 2.4.0 before 2.4.0p13; from 2.3.0 before 2.3.0p38; from 2.2.0 before 2.2.0p46; 2.1.0	CNA record
checkmk checkmk checkmk:checkmk	from 2.1.0 before 2.2.0; 2.2.0; 2.2.0; 2.2.0; 2.2.0; 2.2.0; 2.2.0; 2.2.0; and 86 more ranges	NVD

References

https://checkmk.com/werk/17984vendor-advisory
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250730-01_Checkmk_Path_Traversalthird-party-advisory, exploit
http://seclists.org/fulldisclosure/2025/Oct/7exploit, mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.