Auth bypass in Oviva-ag Epa4all-client

CVE-2026-47672

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 institutio…

Vulnerability class: Broken Authentication

EPSS: 0.000 (6.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-47672?
CVE-2026-47672 is a medium-severity vulnerability in Oviva-ag Epa4all-client, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2026-05-26.
How severe is CVE-2026-47672?
Medium severity. CVSS v3 base score is 6.5 out of 10.