{
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          "value": "Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3."
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            "userInteraction": "REQUIRED",
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            "version": "3.1"
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          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-05T17:15:16.927Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7"
        },
        {
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          "tags": [
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        {
          "name": "https://hackerone.com/reports/3137895",
          "tags": [
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          "url": "https://hackerone.com/reports/3137895"
        }
      ],
      "source": {
        "advisory": "GHSA-w787-vwqp-8wr7",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-66551",
    "datePublished": "2025-12-05T17:15:16.927Z",
    "dateReserved": "2025-12-04T15:57:22.034Z",
    "dateUpdated": "2025-12-05T17:15:16.927Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
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