Description
Path traversal in the discovered host label synchronization in Checkmk <2.5.0p19, <2.4.0p40 and 2.3.0 (EOL) allows an attacker in control of a remote site in a distributed monitoring setup to write arbitrary files on the central site and thereby execute code as the central site user.
Published: 2026-11-11
Score: 9.4 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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References
Link Providers
https://checkmk.com/werk/22120 cve-icon cve-icon
History

Wed, 11 Nov 2026 11:00:00 +0000

Type Values Removed Values Added
Description Path traversal in the discovered host label synchronization in Checkmk <2.5.0p19, <2.4.0p40 and 2.3.0 (EOL) allows an attacker in control of a remote site in a distributed monitoring setup to write arbitrary files on the central site and thereby execute code as the central site user.
Title Path traversal in host label synchronization allows code execution on the central site from a remote site
First Time appeared Checkmk
Checkmk checkmk
Weaknesses CWE-22
CPEs cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.3.0:*:*:*:*:*:*:*
Vendors & Products Checkmk
Checkmk checkmk
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

Checkmk Checkmk
cve-icon MITRE

Status: PUBLISHED

Assigner: Checkmk

Published:

Updated: 2026-11-11T10:48:05.582Z

Reserved: 2026-10-29T08:42:19.661Z

Link: CVE-2026-118965

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-11T11:17:13.080

Modified: 2026-11-11T11:17:13.223

Link: CVE-2026-118965

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses