{"schema":"threatline.record/2","record":{"id":"CVE-2026-109564","aliases":[],"summary":"LearnHouse before 1.4.0 Missing Authorization via Playground Duplicate Endpoint","details":"LearnHouse before 1.4.0 contains a missing authorization vulnerability in POST /api/v1/playgrounds/{uuid}/duplicate that skips the read-access and draft checks enforced by get_playground. Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.","categories":["Unclassified"],"product":"LearnHouse","vendor":"learnhouse","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109564","source_modified_at":"2026-10-13T16:46:42.257Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"LearnHouse","vendor":"learnhouse","versions":[{"version":"0","status":"affected","versionType":"custom","lessThan":"1.4.0"},{"version":"1.4.0","status":"unaffected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109564","source_modified_at":"2026-10-13T16:46:42.257Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"LearnHouse","ecosystem":null},"version":"1.4.0","basis":"first unaffected version stated in the CVE record"}],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.0019,"percentile":0.08224,"score_date":"2026-10-23"},"published_at":"2026-10-12T20:55:17.509Z","modified_at":"2026-10-13T16:46:42.257Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109564","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T16:46:42.257Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109564","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/learnhouse/learnhouse/pull/1120","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://github.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05195c0be37","tags":["patch"]},{"source":"CVE List","url":"https://github.com/learnhouse/learnhouse","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorization-via-playground-duplicate-endpoint","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:48:40.620253Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T16:46:42.257Z","content_hash":"41a0724c0515c34b877874fe4abe0e51e75fef6f6ade8078e88d3f73d5b89d5d"}}