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CVE-2026-113461: CWE-426: Untrusted Search Path in Checkmk GmbH Checkmk

0
Medium
VulnerabilityCVE-2026-113461cvecve-2026-113461cwe-426cwe-829
Published: 10/21/2026 (10/21/2026, 18:11:34 UTC)
Source: CVE Database V5
Vendor/Project: Checkmk GmbH
Product: Checkmk

Description

CVE-2026-113461 is a local privilege escalation vulnerability in Checkmk version 2.5.0p14. It allows a local user with write access to the Oracle client library directory or the 'oratab' file to execute code as root if the 'mk-oracle' plugin is enabled in the Checkmk agent. The vulnerability arises from an untrusted search path issue.

CVSS v4.0

Score 5.2medium

Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
High
Subsq. Integrity
High
Subsq. Availability
High
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

Affected software

Checkmk GmbH

Checkmk

Affected versions
=2.5.0p14
GitHub Actionsmore threats →ai
checkmk/checkmk
pkg:github/checkmk/checkmk
Affected versions
=2.5.0p14

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/21/2026, 18:46:12 UTC

Technical Analysis

This vulnerability (CWE-426) in Checkmk 2.5.0p14 involves an untrusted search path that can be exploited by a local user who has write permissions to the Oracle client library directory of an Oracle home listed in the 'oratab' file or to the 'oratab' file itself. If the Checkmk agent has the 'mk-oracle' plugin enabled, the attacker can execute arbitrary code with root privileges, resulting in local privilege escalation. The CVSS 4.0 base score is 5.2, indicating a medium severity level, with attack vector local, high attack complexity, and partial privileges required.

Potential Impact

A local user with write access to specific Oracle client directories or configuration files can escalate privileges to root on the affected system if the 'mk-oracle' plugin is enabled. This could lead to full system compromise by the attacker.

Mitigation Recommendations

No official patch or fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict write access to the Oracle client library directories and the 'oratab' file, and consider disabling the 'mk-oracle' plugin if not required.

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Technical Details

Data Version
5.2
Assigner Short Name
Checkmk
Date Reserved
2026-10-20T07:46:46.328Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad9050f4d27ba8daadca020

Added to database: 10/21/2026, 18:31:43 UTC

Last enriched: 10/21/2026, 18:46:12 UTC

Last updated: 10/21/2026, 18:46:14 UTC

Views: 4

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