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CVE-2026-67433— Linuxfabrik monitoring-plugins: Symlink following in logfile legacy database migration

Quick assessment

Affected
Linuxfabrik monitoring-plugins
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linuxfabrik Linuxfabrik Monitoring Plugins是Linuxfabrik组织开源的一系列监控插件软件。 Linuxfabrik Monitoring Plugins 6.0.0版本存在安全漏洞，该漏洞源于竞争条件问题和后置链接问题，可能导致控制插件账户的本地用户放置符号链接，在root运行时被sqlite3.connect()跟随。

CVSS 5.8 · Medium EPSS 0.10% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Linuxfabrik monitoring-plugins 6.0.0 affected
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I. Basic Information for CVE-2026-67433

Vulnerability Information
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Vulnerability Title
Linuxfabrik monitoring-plugins: Symlink following in logfile legacy database migration
Source: CVE Program / CVE List V5
Vulnerability Description
Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring systems. In version 6.0.0, the logfile check legacy database migration moved a predictable path from /tmp with os.rename() and allowed a local user controlling the plugin account to place a symlink that would be followed by sqlite3.connect() during a root-run check.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Linuxfabrik Monitoring Plugins 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linuxfabrik Linuxfabrik Monitoring Plugins是Linuxfabrik组织开源的一系列监控插件软件。 Linuxfabrik Monitoring Plugins 6.0.0版本存在安全漏洞，该漏洞源于竞争条件问题和后置链接问题，可能导致控制插件账户的本地用户放置符号链接，在root运行时被sqlite3.connect()跟随。
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
Linuxfabrik monitoring-plugins 6.0.0 -

II. Public POCs for CVE-2026-67433

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III. Intelligence Information for CVE-2026-67433

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Patches & Fixes for CVE-2026-67433 (1)

Vendor Advisories for CVE-2026-67433 (1)

Same Patch Batch · Linuxfabrik · 2026-07-29 · 3 CVEs total

CVE-2026-67436 8.3 HIGH Linuxfabrik monitoring-plugins: SSRF and auth-token disclosure via unvalidated @odata.id l
CVE-2026-67435 6.0 MEDIUM linuxfabrik-lib: fetch() forwards credential headers across a cross-origin redirect

IV. Related Vulnerabilities

Same product: monitoring-plugins
Same vendor: Linuxfabrik
Same weakness: CWE-59

V. Comments for CVE-2026-67433

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