{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1c27f48cc2ef2bfbf6097c5ec19e61d1aa60dba6"
            }
          ],
          "repo": "https://github.com/kanboard/kanboard",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-2jvj-q44v-6p3x"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-915"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29056.json"
  },
  "details": "Kanboard is project management software focused on Kanban methodology. Prior to 1.2.51, Kanboard's user invite registration endpoint (`UserInviteController::register()`) accepts all POST parameters and passes them to `UserModel::create()` without filtering out the `role` field. An attacker who receives an invite link can inject `role=app-admin` in the registration form to create an administrator account. Version 1.2.51 fixes the issue.",
  "id": "CVE-2026-29056",
  "modified": "2026-04-01T23:08:35.993154745Z",
  "published": "2026-03-18T01:56:19.315Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29056.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-2jvj-q44v-6p3x"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29056"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Kanboard's privilege escalation via mass assignment in user invite registration allows any invited user to become admin"
}