Auth bypass in Openemr
CVE-2026-124461
OpenEMR before 8.3.0 contains a missing authorization vulnerability in library/ajax/upload.php that allows any authenticated user to read and overwrite document data by supplying an arbitrary doc_id. Low-privilege users can enumerate doc_id values with the fetch and save actions to disclose patient health information and tamper with medical records across all patients.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/openemr/openemr/security/advisories/GHSA-7h7v-29jv-527v (vendor-advisory)
- www.vulncheck.com/advisories/openemr-before-8.3.0-idor-via-dicom-library-ajax-u… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124461?
- CVE-2026-124461 is a high-severity vulnerability in Openemr, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-11-08.
- How severe is CVE-2026-124461?
- High severity. CVSS v3 base score is 8.1 out of 10.