{"id":"CVE-2026-109356","revision":null,"records":[{"revision":"68ea8af5869d43adb30e7b95b1c78554","observedAt":"2026-10-26T17:35:31.029+00:00","statement":{"source":"cve-program","id":"CVE-2026-109356","aliases":[],"title":"LibreNMS before 26.9.0 Missing Authorization in Port Purge via PortsController","description":"LibreNMS before 26.9.0 contains a missing authorization vulnerability in PortsController::purge that allows global-read users to physically delete ports without delete privileges. Attackers with read-only accounts can send DELETE requests to /ports/purge, using purge=all to irreversibly erase every deleted port on all visible devices.","state":0,"publishedAt":"2026-10-12T16:05:37.065+00:00","modifiedAt":"2026-10-26T16:46:47.76+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:N/VI:L/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:N/I:L/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/librenms/librenms/security/advisories/GHSA-9qcg-rgg9-mpjg","https://www.vulncheck.com/advisories/librenms-before-26.9.0-missing-authorization-in-port-purge-via-portscontroller"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109356","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109356","identifiers":["CVE-2026-109356"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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