GHSA-9WGH-M22W-9XJ8

Vulnerability from github – Published: 2026-06-05 15:52 – Updated: 2026-06-05 15:52
VLAI
Summary
NocoDB: Hidden LTAR Column Exposure in Public Shared-View Relation Endpoints
Details

Summary

The public shared-view relation endpoints accepted a caller-supplied column ID without verifying that the column was visible in the shared view, so anyone holding a share UUID could read links from any LTAR column on the view's table — including columns the view owner had hidden.

Details

publicMmList, publicHmList, and relDataList already ensured that the requested column belonged to the view's model, but did not check the view-column entry's show flag. All three handlers now also fetch the shared view's column entries and reject the request unless the matching entry has show=true. The four public relation routes covered by the fix are:

  • GET /api/v2/public/shared-view/:uuid/rows/:rowId/mm/:columnId (many-to-many)
  • GET /api/v2/public/shared-view/:uuid/rows/:rowId/hm/:columnId (has-many)
  • GET /api/v2/public/shared-view/:uuid/rows/:rowId/{ln,om}/:columnId (links / one-to-many — both share the many-to-many handler)
  • GET /api/v2/public/shared-view/:uuid/nested/:columnId (form/gallery picker)

Impact

Anyone holding a share UUID could enumerate the full set of linked records for any hidden LTAR column on the view's table by calling the relation endpoint directly, even when the same column was correctly omitted from the public /rows response.

Credit

This issue was reported by @leduckhuong.

Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2026.05.0"
      },
      "package": {
        "ecosystem": "npm",
        "name": "nocodb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.05.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-47279"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-05T15:52:54Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Summary\nThe public shared-view relation endpoints accepted a caller-supplied column\nID without verifying that the column was visible in the shared view, so\nanyone holding a share UUID could read links from any LTAR column on the\nview\u0027s table \u2014 including columns the view owner had hidden.\n\n### Details\n`publicMmList`, `publicHmList`, and `relDataList` already ensured that the\nrequested column belonged to the view\u0027s model, but did not check the\nview-column entry\u0027s `show` flag. All three handlers now also fetch the\nshared view\u0027s column entries and reject the request unless the matching\nentry has `show=true`. The four public relation routes covered by the fix\nare:\n\n- `GET /api/v2/public/shared-view/:uuid/rows/:rowId/mm/:columnId` (many-to-many)\n- `GET /api/v2/public/shared-view/:uuid/rows/:rowId/hm/:columnId` (has-many)\n- `GET /api/v2/public/shared-view/:uuid/rows/:rowId/{ln,om}/:columnId`\n  (links / one-to-many \u2014 both share the many-to-many handler)\n- `GET /api/v2/public/shared-view/:uuid/nested/:columnId` (form/gallery\n  picker)\n\n### Impact\nAnyone holding a share UUID could enumerate the full set of linked records\nfor any hidden LTAR column on the view\u0027s table by calling the relation\nendpoint directly, even when the same column was correctly omitted from the\npublic `/rows` response.\n\n### Credit\nThis issue was reported by [@leduckhuong](https://github.com/leduckhuong).",
  "id": "GHSA-9wgh-m22w-9xj8",
  "modified": "2026-06-05T15:52:54Z",
  "published": "2026-06-05T15:52:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/nocodb/nocodb/security/advisories/GHSA-9wgh-m22w-9xj8"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nocodb/nocodb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nocodb/nocodb/releases/tag/2026.05.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "NocoDB: Hidden LTAR Column Exposure in Public Shared-View Relation Endpoints"
}


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