What is CVE-2026-44506?

CVE-2026-44506 is a high-severity vulnerability, classified under Information Disclosure. CVSS score: 8.2/10. Published 2026-09-03.

How severe is CVE-2026-44506?

High severity. CVSS v3 base score is 8.2 out of 10.

CVE-2026-44506

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.

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com
security-advisories@github.com

Frequently asked questions

What is CVE-2026-44506?: CVE-2026-44506 is a high-severity vulnerability, classified under Information Disclosure. CVSS score: 8.2/10. Published 2026-09-03.
How severe is CVE-2026-44506?: High severity. CVSS v3 base score is 8.2 out of 10.