medium4.3
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…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| LibreNMS | before 26.9.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.