VULNERABILITY INTELLIGENCE
CVE-2026-49120
CVSS score8.5 HIGH
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-06-02
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Description
Medplum before 5.1.14 contains a server-side request forgery vulnerability in the subscription worker that allows authenticated users to perform unauthorized internal network requests by creating FHIR Subscription resources with arbitrary endpoint URLs. Attackers can point subscription endpoints at internal addresses such as cloud instance metadata services, internal databases, or container orchestration endpoints to exfiltrate IAM credentials and patient health records via the POST body containing full FHIR resource payloads.
Weakness classification
- disclosure@vulncheck.com: CWE-918