CVE-2026-33909

OpenEMR Vulnerable to SQL Injection via Unsanitized Variables in MedEx Recall/Reminder Processing

5.9 Medium

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, several variables in the MedEx recall/reminder processing code are concatenated directly into SQL queries without parameterization or type casting, enabling SQL injection. Version 8.0.0.3 contains a patch.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.34%Up 0.3 points since Mar 26, 2026

What each source reports

CVE List Score used 5.9

OpenEMR Vulnerable to SQL Injection via Unsanitized Variables in MedEx Recall/Reminder Processing

Record: CVE-2026-33909
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2026-16014 5.9

Record: EUVD-2026-16014
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

NVD 5.9

Record: CVE-2026-33909
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-89
Updated: 2026-11-02

OSV 5.9

OpenEMR Vulnerable to SQL Injection via Unsanitized Variables in MedEx Recall/Reminder Processing

Record: CVE-2026-33909
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-89
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-33909 is a medium vulnerability (CVSS 5.9) in Open-emr Openemr, published March 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.