HomeCVE Intelligence › CVE-2026-52817
CVSS 7.5 HIGH Vulnerability

CVE-2026-52817: Linuxfabrik Monitoring Plugins: Sudoers may be able to obtain privilege escalation via /u…

Summary In the [Debian.sudoers](https://github.com/Linuxfabrik/monitoring-plugins/blob/main/assets/sudoers/Debian.sudoers) file, apt-get is allowed for the nagios user. The full command including the arguments are not e…

7.5CVSS Score
HIGHSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-52817
Vendorpip
Affected Productlinuxfabrik-lib
Vulnerability TypeVulnerability
CVSS Score7.5 (HIGH)
Actively Exploited❌ No known exploitation
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via github_advisories)

🔬 Technical Analysis

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Summary

In the [Debian.sudoers](https://github.com/Linuxfabrik/monitoring-plugins/blob/main/assets/sudoers/Debian.sudoers) file, apt-get is allowed for the nagios user. The full command including the arguments are not enforced and can therefore be choosen arbitrarily. This allows to easily get a root shell as the nagios user:

PoC

By choosing a particular argument, you can get (as a nagios user) a root shell: `` sudo apt-get update -o APT::Update::Pre-Invoke::="/bin/sh" `` Since the nagious user can use sudo to run apt-get as root, the resulting shell is also running as root.

Impact

The vulnerability is a local privilege escalation, impacting users who use the provided sudoers file. It requires that an attacker already compromised the nagios account (which is quite a high ba

🎯 Known Indicators of Compromise

{"type":"url","value":"https://github.com/Linuxfabrik/monitoring-plugins/blob/main/assets/sudoers/Debian.sudoers)","confidence_score":0.82,"first_seen":"2026-07-02","source_count":1}

📚 Advisory References

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