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HIGH

CVE-2026-44506

CVSS v3

8.2

HIGH

EPSS Score

0.4 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-03
Last Modified
2026-09-04

Frequently asked questions

What is CVE-2026-44506?

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.

Is CVE-2026-44506 actively exploited?

Active exploitation of CVE-2026-44506 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-44506?

CVE-2026-44506 has a CVSS v3 base score of 8.2 (HIGH severity).

Is CVE-2026-44506 affecting your environment?

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