What is CVE-2026-124487?

CVE-2026-124487 is a medium-severity vulnerability in Openemr, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-124487?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Openemr

CVE-2026-124487

OpenEMR before 8.4.0 contains an improper authorization vulnerability in the non-patient POST /fhir/DocumentReference/$docref route that allows low-privileged users to generate any patient's CCDA. Attackers with only demographics and documents permissions can supply a victim patient parameter, then download the full-chart CCDA from Patient Documents to exfiltrate clinical data.

Vulnerability class: Broken Access Control

Published 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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

Openemr

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-r79c-4hf6-fgp3) (vendor-advisory)
VulnCheck Advisory: OpenEMR before 8.4.0 Improper Authorization in FHIR DocumentReference $docref (third-party-advisory)

Frequently asked questions

What is CVE-2026-124487?: CVE-2026-124487 is a medium-severity vulnerability in Openemr, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-124487?: Medium severity. CVSS v3 base score is 6.5 out of 10.