CVE-2026-33321 HIGH

CVE-2026-33321: OpenEMR has Out-of-Band Server-Side Request Forgery (OOB SSRF)

Vendor Openemr
Product openemr
Weakness CWE-918 · SSRF
Published March 19, 2026
Last update March 19, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L

What the vulnerability does

01Description

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 Out-of-Band Server-Side Request Forgery (OOB SSRF) vulnerability was identified in the PDF creation function where the form answers are parsed as unescaped HTML, allowing an attacker to forge requests from the server made to external or internal resources. Version 8.0.0.2 fixes the issue.

Key dates

02Disclosure timeline

March 19, 2026 CVE published
March 19, 2026 Record updated