CVE-2026-47672 MEDIUM

CVE-2026-47672: epa4all-client: Unauthenticated REST API for Patient Record Writes

Vendor Oviva-Ag
Product epa4all-client
Weakness CWE-306 · Missing auth
Published May 26, 2026
Last update May 27, 2026

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. In 1.2.4 and earlier, any network-reachable caller can write arbitrary documents to any patient's electronic health record accessible by the institution's SMC-B card. In a misconfigured deployment (e.g., following the production Docker example in the README), this is exploitable from the local network without credentials.

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 27, 2026 Record updated