CVE-2026-44506

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.

CVSS Vector

References

• https://github.com/medplum/medplum/releases/tag/v5.1.7
• https://github.com/medplum/medplum/security/advisories/GHSA-ch8p-j6cm-r7w5