---
id: "CVE-2026-126466"
page: "https://infrastack.ai/live/CVE-2026-126466"
kind: "vulnerability"
aliases: ["CVE-2026-126466"]
title: "OpenEMR: missing access checks let any logged-in user leak patient records"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["healthcare", "openemr", "other", "phi", "self-hosted"]
not_affected_if: ["openemr-8.5.0-or-later"]
published_at: "2026-11-13T10:17:55+00:00"
first_seen_at: "2026-11-13T10:47:24+00:00"
updated_at: "2026-11-13T10:48:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126466", "first_seen_at": "2026-11-13T10:47:24+00:00"}]
exploit_sources: []
---

# OpenEMR: missing access checks let any logged-in user leak patient records

Link for people: https://infrastack.ai/live/CVE-2026-126466 (this .md is for agents)

OpenEMR versions before 8.5.0 skip authorization checks in several patient-handling pages, so any authenticated user can create patient records. The same flaw lets them search and enumerate patients, exposing names, SSNs and dates of birth.

_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 listed in the vendor advisory (`8.5.0`)

## Fix

- OpenEMR: upgrade to `8.5.0` or later

## Timeline

- 2026-11-13T10:47:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126466

## Documents

- [advisory] Vendor advisory: github.com https://github.com/openemr/openemr/security/advisories/GHSA-cwpg-qv34-gx8x
- [advisory] Third-party advisory: www.vulncheck.com https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-patient-create-and-search-endpoints

## From the sources

OpenEMR before 8.5.0 contains a missing authorization vulnerability that allows any authenticated user to create patient records and enumerate patients by omitting aclCheckCore() checks. Attackers can POST to new_comprehensive_save.php to create patients with insurance PHI, or query new_search_popup.php and patient_select.php to leak names, SSNs and DOBs.

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