CVE-2026-33301 OpenEMR has arbitrary image file read via PDF generator

High 7.1 Published 19 Mar 2026 Updated 24 Mar 2026

Attackers with specific roles can read arbitrary server files by injecting image paths into Eye Exam forms, exposing sensitive data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-33301?

CVE-2026-33301 is a high-severity path traversal vulnerability in Open-Emr Openemr, published on 19 Mar 2026. Any signed-in user can exploit it over the network, 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 8.0.0.2, users with the `Notes - my encounters` role can fill Eye Exam forms in patient encounters. The answers to the form can be printed out in PDF form. An arbitrary file read vulnerability was identified in the PDF creation function where the form answers are parsed as unescaped HTML, allowing an attacker to include arbitrary image files from the server in the generated PDF. Version 8.0.0.2 fixes the issue.

Weakness: CWE-116

Which versions are affected by CVE-2026-33301?

It affects 1 product.

Products include Open-Emr Openemr.

How do I fix CVE-2026-33301?

No fix has been published for CVE-2026-33301 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-33301 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-33301 exists.

All Open-Emr Openemr vulnerabilities

Sources

Also known as GHSA-v9v3-q973-xp2h.