CVE-2026-52817: Linuxfabrik Monitoring Plugins: Sudoers may be able to obtain privilege escalation via /usr/bin/apt-get arguments

July 2, 2026

In the 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:

References

github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-8w6w-23mq-h8rg
github.com/advisories/GHSA-8w6w-23mq-h8rg
nvd.nist.gov/vuln/detail/CVE-2026-52817

Code Behaviors & Features

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