---
id: "CVE-2026-126443"
page: "https://infrastack.ai/live/CVE-2026-126443"
kind: "vulnerability"
aliases: ["CVE-2026-126443"]
title: "OpenEMR: missing permission check lets users read patient records"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["healthcare", "openemr", "php", "runtime", "self-hosted"]
not_affected_if: ["no-authenticated-users", "openemr-8.5.0-or-later"]
published_at: "2026-11-13T10:17:51+00:00"
first_seen_at: "2026-11-13T10:47:23+00:00"
updated_at: "2026-11-13T10:53:07+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126443", "first_seen_at": "2026-11-13T10:47:23+00:00"}]
exploit_sources: []
---

# OpenEMR: missing permission check lets users read patient records

Link for people: https://infrastack.ai/live/CVE-2026-126443 (this .md is for agents)

OpenEMR before 8.5.0 has a missing authorization check in dynamic_finder_ajax.php. An authenticated user without the patients/demo permission can query patient demographics, including names, dates of birth, contact details and Social Security numbers.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed OpenEMR version against the fixed release in the product data; `8.5.0` or later is not affected per the description

## Fix

- OpenEMR: upgrade to `8.5.0` or later

## Timeline

- 2026-11-13T10:47:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126443

## Documents

- [advisory] Vendor advisory: github.com https://github.com/openemr/openemr/security/advisories/GHSA-79g8-hm7q-xrh4
- [advisory] Third-party advisory: www.vulncheck.com https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-via-dynamic-finder-ajax-php-patient-finder

## From the sources

OpenEMR before 8.5.0 contains a missing authorization vulnerability in dynamic_finder_ajax.php that allows authenticated users without patients/demo permission to query patient demographics. Attackers can supply arbitrary patient_data columns via the sColumns parameter to enumerate names, dates of birth, contact details, and Social Security numbers across the practice.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_