Lowcoder Query Library API contains cross-tenant authorization bypass

{
  "id": "1fcba64b671d28319d9b4002dac199cfc73660e5253dcd38ba94f37f93d86921",
  "url": "https://kb.cert.org/vuls/id/382143",
  "method": "llm",
  "payload": {
    "kind": "mitigation",
    "title": "Lowcoder Query Library API contains cross-tenant authorization bypass",
    "summary": "Lowcoder 2.4.10 allows authenticated users with admin or dev roles to access other organizations’ Query Library data in multi-tenant instances. CERT/CC recommends restricting access to affected API endpoints until an official security update is available.",
    "evidence": "To mitigate, Lowcoder administrators should restrict access to the affected Query Library API endpoints until an official security update is available.",
    "products": [
      {
        "name": {
          "value": "Lowcoder",
          "evidence": "Lowcoder, version 2.4.10, contains an authorization bypass vulnerability"
        },
        "prerequisites": [
          {
            "value": "Authenticated users with an admin or dev role",
            "evidence": "Authenticated users with an admin or dev role can access private library-query data from other organizations within a multi-tenant Lowcoder instance."
          },
          {
            "value": "multi-tenant Lowcoder instance",
            "evidence": "Authenticated users with an admin or dev role can access private library-query data from other organizations within a multi-tenant Lowcoder instance."
          }
        ],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.4.10",
            "evidence": "This vulnerability was confirmed against Lowcoder version 2.4.10."
          }
        ]
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-16753",
        "evidence": "CVE-2026-16753"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-cert-cc-vulnerability-notes",
  "document_id": 23365,
  "published_at": "2026-10-13T19:21:56.387+00:00"
}