Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirect_uri was provided. This issue has been patched in version 5.1.7.
History

Fri, 04 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 03 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Medplum
Medplum medplum
Vendors & Products Medplum
Medplum medplum

Thu, 03 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Description Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirect_uri was provided. This issue has been patched in version 5.1.7.
Title Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-09-03T19:04:47.285Z

Updated: 2026-09-04T13:41:42.718Z

Reserved: 2026-05-06T18:28:20.886Z

Link: CVE-2026-44506

cve-icon Vulnrichment

Updated: 2026-09-04T13:28:18.505Z

cve-icon NVD

Status : Deferred

Published: 2026-09-03T20:17:21.177

Modified: 2026-09-09T21:09:13.080

Link: CVE-2026-44506

cve-icon Redhat

No data.