{"id":"CVE-2026-109354","revision":"0bd1e92a8db84011ad84725b883f82a1","records":[{"revision":"0bd1e92a8db84011ad84725b883f82a1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109354","aliases":[],"title":"LibreNMS before 26.9.0 Path Traversal via NFSen channel Parameter","description":"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.","state":0,"publishedAt":"2026-10-12T16:05:35.816+00:00","modifiedAt":"2026-10-13T16:53:32.764+00:00","affected":[{"ecosystem":"Vendor product","name":"librenms","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"librenms\",\n                    \"product\": \"librenms\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"26.9.0\"\n                        },\n                        {\n                            \"version\": \"26.9.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"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-channel-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109354","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109354","identifiers":["CVE-2026-109354"]},"retained":false,"historicalAffected":[]}],"coverage":[]}