MEDIUM 5.3 NVD
CVE-2026-109354
LibreNMS before 26.9.0 contains a path traversal vulnerability in nfsen_channel_common.inc.php that allows authenticated users to read unauthorized RRD data by
LibreNMS before 26.9.0 contains a path traversal vulnerability in nfsen_channel_common.inc.php that allows authenticated users to read unauthorized RRD data by injecting ../ sequences into the channel parameter. Attackers with access to one NFSen-enabled device can request graph.php with a traversed channel value to view traffic and NetFlow graphs of devices outside their authorized scope.
References
- https://github.com/librenms/librenms/security/advisories/GHSA-j3qf-h24w-9f42
- https://www.vulncheck.com/advisories/librenms-before-26.9.0-path-traversal-via-nfsen-chann
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-12 via NVD.
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