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Medium · 6.5 CVE-2026-124455 EUVD-2026-119512GHSA-wq2w-mvp4-xrqr

OpenEMR before 8.3.0 IDOR via Portal OnsiteDocument Pid_Equals Mass-Assignment

Published Nov 8, 2026 · Updated Nov 12, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
openemr openemr < 8.3.0 8.3.0

References