CVE-2026-109354 — LibreNMS before 26.9.0 Path Traversal via NFSen channel Parameter
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 ../ seq…
Published: 2026-10-12 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7