Craft CMS 5.0.0-RC1 before 5.10.11 Authentication Bypass via administrateUsers

{
  "id": "9f782cf7bfc1e6b73a9ebf0b626bf6f1e17643402e26ceeab8dc1a46fc1f0589",
  "url": "https://osv.dev/vulnerability/CVE-2026-84801",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Craft CMS 5.0.0-RC1 before 5.10.11 Authentication Bypass via administrateUsers",
    "summary": "Craft CMS versions before 5.10.11 fail to validate admin status in the actionGetPasswordResetUrl endpoint, allowing non-admin users with administrateUsers permission to mint password reset URLs for administrator accounts. Attackers can generate a valid reset URL for any admin user and set a new password via actionSetPassword, which validates only the verification code without checking the caller's session, enabling complete control-panel takeover.",
    "evidence": "osv:CVE-2026-84801",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-84801",
      "aliases": [
        "CVE-2026-84801",
        "GHSA-6qw4-cjqw-fj72"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/craftcms/cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "04755d93f86d07cc183db47db8a0eee106892e30"
                },
                {
                  "fixed": "9dece66d9d35f9f2615f5f2107c98d2334c71cfc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.0.0-RC1"
                      },
                      {
                        "fixed": "5.10.11"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.10.11"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84801.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.787538862Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84801.json",
        "https://github.com/craftcms/cms/security/advisories/GHSA-6qw4-cjqw-fj72",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-84801",
        "https://www.vulncheck.com/advisories/craft-cms-5.0.0-rc1-before-5.10.11-authentication-bypass-via-administrateusers"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84801.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-84801",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492483,
  "published_at": "2026-09-02T11:11:15.664+00:00"
}