CVE-2025-64996— Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output
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I. Basic Information for CVE-2025-64996
Vulnerability Information
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Vulnerability Title
Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键资源的不正确权限授予
Source: NVD (National Vulnerability Database)
Vulnerability Title
Checkmk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是Checkmk公司的一个 IT 监控平台。 Checkmk 2.4.0p16之前版本、2.3.0p41之前版本和2.2.0及之前所有版本存在安全漏洞，该漏洞源于mk_inotify插件创建全局可读写文件，可能导致未经授权的访问或修改监控数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.4.0 ~ 2.4.0p16 | - |
II. Public POCs for CVE-2025-64996
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|---|
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Same Patch Batch · Checkmk GmbH · 2025-11-18 · 3 CVEs total
| CVE-2025-58121 | Insufficient permission validation on multiple REST API endpoints | |
| CVE-2025-58122 | Insufficient permission validation when configuring notification parameters |
IV. Related Vulnerabilities
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Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same vendor: Checkmk GmbH
- CVE-2026-33457
Potential livestatus injection in prediction graph page - CVE-2026-33456
Potential livestatus injection in notification test - CVE-2026-33455
Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same weakness: CWE-732
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OpenClaw < 2026.3.31 - Arbitrary Host File Read via appendLo - CVE-2026-35367
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