Missing Authorization in OpenEMR - #VU149485
Published: September 14, 2026
Vulnerability identifier: #VU149485
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive patient information.
The vulnerability exists due to missing authorization in the FHIR Media and QuestionnaireResponse read routes when handling requests for Media or QuestionnaireResponse resources. A remote user can send requests to unprotected FHIR read routes to disclose sensitive patient information.
Exploitation requires a non-patient API token with the relevant FHIR read scope but without the corresponding OpenEMR ACL.
Affected software
OpenEMR
Remediation
Install security update from vendor's website.
OpenEMR - update to 8.4.0