CVE-2026-124455Medium· 6.5▾ SunlitOpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsiteDocumentController::Query() that allows authenticated portal patients to read other patients' documents by overriding Pid_Equals criteria. Attackers…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0 · exploitation 0
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OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsiteDocumentController::Query() that allows authenticated portal patients to read other patients' documents by overriding Pid_Equals criteria. Attackers can supply Pid_Equals, Pid_GreaterThan, or Pid_In request parameters to the onsitedocuments API to retrieve signed consent forms, signatures, and PHI of any patient.
openemr < 8.3.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-124447High· 8.1OpenEMR before 8.3.0 IDOR via OnsitePortalActivityController Update Endpoint
CVE-2026-124449Medium· 6.5OpenEMR before 8.4.0 Missing Authorization via FHIR Media and QuestionnaireResponse Routes
CVE-2026-124451Medium· 5.3OpenEMR before 8.4.0 Authorization Bypass via checkUserHasAccessToPatient in SMART on FHIR
CVE-2026-124453High· 7.1OpenEMR before 8.3.0 IDOR in Portal Patient Settings via persist.php
CVE-2026-124460Medium· 6.5OpenEMR before 8.3.0 IDOR in Patient Portal PortalPatientController
CVE-2026-124459High· 8.1OpenEMR before 8.3.0 Cross-Patient IDOR via Encounter Form Viewers and Save Handlers