CVE-2026-34056 HIGH

CVE-2026-34056: OpenEMR has a Privilege Escalation that Allows a Low-Level User to View Admin-Only Data

Vendor Openemr
Product openemr
Weakness CWE-285
Published March 25, 2026
Last update March 28, 2026

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

OpenEMR is a free and open source electronic health records and medical practice management application. A Broken Access Control vulnerability in OpenEMR up to and including version 8.0.0.3 allows low-privilege users to view and download Ensora eRx error logs without proper authorization checks. This flaw compromises system confidentiality by exposing sensitive information, potentially leading to unauthorized data disclosure and misuse. As of time of publication, no known patches versions are available.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
March 28, 2026 Record updated