{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.12.7"
              },
              {
                "fixed": "0.12.7"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "08e8e507909ee55b588674563b8ea21646ed9425"
            }
          ],
          "repo": "https://github.com/anchorcms/anchor-cms",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88959.json"
  },
  "details": "Anchor CMS through 0.12.7 fails to enforce role-based access control in admin user-management endpoints, allowing any authenticated low-privilege user to create administrator accounts or modify existing ones. Attackers with editor or user roles can POST directly to admin/users/add or admin/users/edit endpoints to create new administrator accounts or change the existing administrator's password, gaining full administrative access.",
  "id": "CVE-2026-88959",
  "modified": "2026-09-13T03:31:00.137992823Z",
  "published": "2026-09-10T15:44:12.945Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://packagist.org"
    },
    {
      "type": "ADVISORY",
      "url": "https://gist.github.com/bozorovab2009-spec/57931237f774b78333f8fe47e84ec4aa"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88959.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88959"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/anchor-cms-through-0.12.7-privilege-escalation-via-missing-authorization-on-admin-user-management-endpoints"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/anchorcms/anchor-cms"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/anchorcms/anchor-cms/blob/0.12.7/anchor/routes/users.php"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Anchor CMS through 0.12.7 Privilege Escalation via Missing Authorization on Admin User-Management Endpoints"
}