VulnerabilityDeferred

CVE-2026-44506

Medplum is a developer platform that enables development of healthcare apps.

HIGH 8.2EPSS 0.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS: 0.21% probability · 11th percentile
CISA KEV: Not listed
Weakness: CWE-200
Source: security-advisories@github.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.