{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "9.37"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d369a3614a4737c29d48a6345a790edf2506ddae"
            },
            {
              "fixed": "5c9407f7295083fc4e7df68914c702ff391ecef6"
            }
          ],
          "repo": "https://github.com/wekan/wekan",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-gm7v-pc38-53jr"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-284",
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55234.json"
  },
  "details": "Wekan is open source kanban built with Meteor. Prior to 9.37, Wekan DDP update allow rules in server/permissions/cards.js, server/permissions/lists.js, and server/permissions/swimlanes.js authorize against the stored source boardId and do not validate a new boardId in the update modifier. Any authenticated user with write access to their own board can call /cards/update, /lists/update, or /swimlanes/update to move cards, lists, or swimlanes into a private board they are not a member of. This issue is fixed in version 9.37.",
  "id": "CVE-2026-55234",
  "modified": "2026-07-18T03:41:45.347139291Z",
  "published": "2026-07-15T21:13:35.600Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/wekan/wekan/releases/tag/v9.37"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55234.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/wekan/wekan/security/advisories/GHSA-gm7v-pc38-53jr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55234"
    },
    {
      "type": "FIX",
      "url": "https://github.com/wekan/wekan/commit/d369a3614a4737c29d48a6345a790edf2506ddae"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Wekan: Broken access control: any authenticated user can move their Cards/Lists/Swimlanes into a private board they are not a member of (cross-board write via collection allow rule)"
}