# @medplum/core (npm) vulnerabilities

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 5.2.15 (Nov 6, 2026): no advisory affects it
- Newest unaffected release: 5.2.15 (Nov 6, 2026), the latest release
- Weekly downloads: 373.8K
- Dependents: 15
- Releases: 333 since 0.0.18 (Jun 1, 2021)
- Registry: https://www.npmjs.com/package/@medplum/core
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-53728: 0.0.18 to 5.1.5 (5.1.6 is outside it)

## Advisories (1)

### [CVE-2026-53728](https://cve.now/CVE-2026-53728): Medplum - Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage

- Severity: High 7.1
- Published: Sep 3, 2026
- Affected: fixed in 5.1.6.
- Fixed in 5.1.6 (released Mar 31, 2026, 156 days before disclosure).
- The latest release, 5.2.15, is not affected.
- 48% of @medplum/core downloads last week were affected versions (154.3K).

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/npm/@medplum/core
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.