{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "8.4.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "8.4.0"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "53d885e56d4772b4e48810a1f98531c5d19a934d"
            }
          ],
          "repo": "https://github.com/openemr/openemr",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-5xf2-3h9x-f4m6"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/124xxx/CVE-2026-124480.json"
  },
  "details": "OpenEMR before 8.4.0 contains an authorization bypass vulnerability that allows low-privileged authenticated users to read cross-patient FHIR QuestionnaireResponse data by sending the APICSRFTOKEN header. Attackers can reuse the session-exposed api_csrf_token_js value to skip FHIR scope checks and call GET /fhir/QuestionnaireResponse, exfiltrating site-wide questionnaire answer PHI.",
  "id": "CVE-2026-124480",
  "modified": "2026-11-10T02:31:00.237957432Z",
  "published": "2026-11-08T13:16:00.035Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/124xxx/CVE-2026-124480.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/openemr/openemr/security/advisories/GHSA-5xf2-3h9x-f4m6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124480"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openemr-before-8.4.0-authorization-bypass-via-fhir-questionnaireresponse-apicsrftoken"
    }
  ],
  "schema_version": "1.9.2",
  "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": "OpenEMR before 8.4.0 Authorization Bypass via FHIR QuestionnaireResponse APICSRFTOKEN"
}