CVE-2026-33909 OpenEMR Vulnerable to SQL Injection via Unsanitized Variables in MedEx Recall/Reminder Processing
Attackers can execute arbitrary SQL commands via unsanitized variables in MedEx recall processing, potentially accessing or modifying patient data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-33909?
CVE-2026-33909 is a medium-severity SQL injection vulnerability in Open-Emr Openemr, published on 25 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-33909?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2026-33909?
No fix has been published for CVE-2026-33909 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-33909 being exploited?
There is no known exploitation of CVE-2026-33909 in the wild and no public exploit code.
Other vulnerabilities in Open-Emr Openemr
- CVE-2026-24898 OpenEMR has an Unauthenticated MedEx Token Disclosure
- CVE-2026-24849 OpenEMR Arbitrary File Read Vulnerability
- CVE-2026-24908 OpenEMR has SQL Injection in Patient API Sort Parameter
- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-6vx2-w9hw-prqj.