What is CVE-2026-124485?

CVE-2026-124485 is a medium-severity vulnerability in Openemr, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-124485?

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

Auth bypass in Openemr

CVE-2026-124485

OpenEMR before 8.3.0 contains an authorization bypass vulnerability in the patient portal onsitedocuments API that allows authenticated patients to read other patients' documents by overriding query criteria. Attackers can send empty pid_Equals and denialReason_IsNotLike parameters to remove patient scoping and locked filters, exposing consent bodies, signatures, file paths, and template data.

Vulnerability class: IDOR (Insecure Direct Object Reference)

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-639 — Authorization Bypass Through User-Controlled Key

References

GitHub Security Advisory (GHSA-v688-m84c-5h4v) (vendor-advisory)
VulnCheck Advisory: OpenEMR before 8.3.0 Cross-Patient Document Disclosure via Onsite Documents API (third-party-advisory)

Frequently asked questions

What is CVE-2026-124485?: CVE-2026-124485 is a medium-severity vulnerability in Openemr, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-124485?: Medium severity. CVSS v3 base score is 6.5 out of 10.