Auth bypass in Openemr
CVE-2026-124486
OpenEMR before 8.3.0 contains a missing authorization vulnerability in the classic document controller that allows low-privilege authenticated users to recategorize other patients' documents. Attackers can invoke move_action_process to move a document into a patients|demo category, then retrieve it with an empty patient_id to exfiltrate PHI and tamper with charts.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (15.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
Weakness classification (CWE)
References
- github.com/openemr/openemr/security/advisories/GHSA-89j2-7cg2-mm93 (vendor-advisory)
- www.vulncheck.com/advisories/openemr-before-8.3.0-missing-authorization-in-clas… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124486?
- CVE-2026-124486 is a high-severity vulnerability in Openemr, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-11-08.
- How severe is CVE-2026-124486?
- High severity. CVSS v3 base score is 8.8 out of 10.