What is CVE-2026-33913?

CVE-2026-33913 is a high-severity vulnerability in Openemr, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.7/10. Published 2026-03-25.

How severe is CVE-2026-33913?

High severity. CVSS v3 base score is 7.7 out of 10.

XXE in Openemr

CVE-2026-33913

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, an authenticated user with access to the Carecoordination module can upload a crafted CCDA document containi…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Openemr — versions < 8.0.0.3

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

https://github.com/openemr/openemr/security/advisories/GHSA-9757-3cfj-wc8q (x_refsource_CONFIRM)
https://github.com/openemr/openemr/commit/67e1702c41cf486af0069bdafce19860e2cd9a11 (x_refsource_MISC)
https://github.com/openemr/openemr/releases/tag/v8_0_0_3 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33913?: CVE-2026-33913 is a high-severity vulnerability in Openemr, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.7/10. Published 2026-03-25.
How severe is CVE-2026-33913?: High severity. CVSS v3 base score is 7.7 out of 10.