{"schema":"threatline.record/2","record":{"id":"CVE-2026-109356","aliases":["GHSA-9qcg-rgg9-mpjg"],"summary":"LibreNMS before 26.9.0 Missing Authorization in Port Purge via PortsController","details":"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.","categories":["Unclassified"],"product":"librenms","vendor":"librenms","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109356","source_modified_at":"2026-10-12T16:05:37.065Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"librenms","vendor":"librenms","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"26.9.0"},{"version":"26.9.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109356","source_modified_at":"2026-10-12T16:05:37.065Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"librenms","ecosystem":null},"version":"26.9.0","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00192,"percentile":0.08422,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:37.065Z","modified_at":"2026-10-12T16:05:37.065Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109356","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-12T16:05:37.065Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109356","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/librenms/librenms/security/advisories/GHSA-9qcg-rgg9-mpjg","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/librenms-before-26.9.0-missing-authorization-in-port-purge-via-portscontroller","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-12T16:05:37.065Z","content_hash":"aae9939d36d193eca751f5cca8bb851debe072f7db13fe986298009c64228ffd"}}