XXE in Open-Emr 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 containing `<xi:include href="file:///etc/passwd" parse="text"/>` to read arbitrary files from the server. Version 8.0.0.3 patches the issue.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.003 (21.6th 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
- Open-emr Openemr
- Openemr — versions < 8.0.0.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33913?
- CVE-2026-33913 is a high-severity vulnerability in Open-Emr 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.