What is CVE-2026-33321?

CVE-2026-33321 is a high-severity vulnerability in Open-Emr Openemr, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-03-19.

How severe is CVE-2026-33321?

High severity. CVSS v3 base score is 7.6 out of 10.

SSRF in Open-Emr Openemr

CVE-2026-33321

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Open-emr Openemr
Openemr — versions < 8.0.0.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33321?: CVE-2026-33321 is a high-severity vulnerability in Open-Emr Openemr, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-03-19.
How severe is CVE-2026-33321?: High severity. CVSS v3 base score is 7.6 out of 10.