CVE-2026-124455

OpenEMR before 8.3.0 IDOR via Portal OnsiteDocument Pid_Equals Mass-Assignment

Published Nov 8, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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.
Title OpenEMR before 8.3.0 IDOR via Portal OnsiteDocument Pid_Equals Mass-Assignment
First Time appeared Open-emr
Open-emr openemr
Weaknesses CWE-639
CPEs cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*
Vendors & Products Open-emr
Open-emr openemr
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 12, 2026, 7:37 PM
Reserved
Nov 8, 2026, 2:15 AM
Status
Undergoing Analysis
Published
Nov 8, 2026, 2:18 PM
Modified
Nov 12, 2026, 8:18 PM