CVE-2026-124462

OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsiteDocumentController::Query() that allows authenticated portal patients…

OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsiteDocumentController::Query() that allows authenticated portal patients to bypass the lowercase pid authorization guard by supplying a capitalised Pid parameter. Attackers can request the api/onsitedocuments endpoint with Pid set to another patient's id to overwrite the session-pinned criteria and read other patients' onsite documents containing PHI.

8. Nov 2026

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• NVD
  CVE-2026-124462