{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.4.0"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "87ae562b063e51af3d6f5d6049664394974c7d5a"
            },
            {
              "fixed": "9a1319185a596ea9b40651dbfd96f05195c0be37"
            }
          ],
          "repo": "https://github.com/learnhouse/learnhouse",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109564.json"
  },
  "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 Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.",
  "id": "CVE-2026-109564",
  "modified": "2026-10-15T02:31:14.852760515Z",
  "published": "2026-10-12T20:55:17.509Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109564.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109564"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorization-via-playground-duplicate-endpoint"
    },
    {
      "type": "FIX",
      "url": "https://github.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05195c0be37"
    },
    {
      "type": "FIX",
      "url": "https://github.com/learnhouse/learnhouse/pull/1120"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/learnhouse/learnhouse"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LearnHouse before 1.4.0 Missing Authorization via Playground Duplicate Endpoint"
}