---
id: CVE-2026-124453
title: OpenEMR before 8.3.0 IDOR in Portal Patient Settings via persist.php
summary: >-
  OpenEMR before 8.3.0 contains an insecure direct object reference
  vulnerability in portal/lib/persist.php that allows authenticated portal
  patients to write settings for other patients. Attackers can modify the
  setting_patient parameter …
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: openemr
product: openemr
affected:
  - openemr < 8.3.0
published: '2026-11-08'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T13:15:43.764Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-124453'
references:
  - url: 'https://github.com/openemr/openemr/security/advisories/GHSA-rrw3-g25h-x68h'
    label: GitHub Security Advisory (GHSA-rrw3-g25h-x68h)
  - url: >-
      https://www.vulncheck.com/advisories/openemr-before-8.3.0-idor-in-portal-patient-settings-via-persist-php
    label: >-
      VulnCheck Advisory: OpenEMR before 8.3.0 IDOR in Portal Patient Settings
      via persist.php
tags:
  - cve.org
ingestedAt: '2026-11-08T13:50:34.972Z'
---

## Overview

OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in portal/lib/persist.php that allows authenticated portal patients to write settings for other patients. Attackers can modify the setting_patient parameter in a JSON POST request to another patient's PID, altering that patient's portal settings such as the portal theme.

## Affected

- `openemr < 8.3.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.