CVE-2026-124449

MEDIUM 6.5

OpenEMR before 8.4.0 Missing Authorization via FHIR Media and QuestionnaireResponse Routes

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

OpenEMR before 8.4.0 contains a missing authorization vulnerability in FHIR Media/:uuid and QuestionnaireResponse read routes that skip ACL checks. Non-patient API tokens lacking OpenEMR ACLs can request resources by uuid, bypassing compartment filtering to read any patient's documents and questionnaire responses.

CWE	CWE-639
Vendor	openemr
Product	openemr
Published	Nov 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

openemr / openemr

0 < 8.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openemr/openemr/security/advisories/GHSA-6g45-38wc-5wg9 vulncheck.com: https://www.vulncheck.com/advisories/openemr-before-8.4.0-missing-authorization-via-fhir-media-and-questionnaireresponse-routes

Credits

arpitjain099 AquibAquil Tike00