Improper Authorization in OpenEMR Product by OpenEMR
CVE-2026-124487

7.1HIGH

Key Information:

Vendor

Openemr

Status
Openemr
Vendor
CVE Published:
8 November 2026

What is CVE-2026-124487?

OpenEMR versions before 8.4.0 contain an improper authorization vulnerability that can be exploited via the /fhir/DocumentReference/$docref route. This allows low-privileged users to generate Comprehensive Clinical Document Architecture (CCDA) reports for any patient by supplying a victim patient parameter. Attackers with only demographics and documents permissions can access and download sensitive clinical data, leading to potential data breaches.

Affected Version(s)

openemr 0 < 8.4.0

openemr 8.4.0

References

https://github.com/openemr/openemr/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/openemr-before-8.4.0...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

christos-cantina-security
kojiromike
.