CVE-2026-45574

high

Description

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker on the network path between the ePA service and the Konnektor can present any TLS certificate (self-signed, expired, wrong CN) and intercept all SOAP traffic. This includes patient identifiers (KVNR), SMC-B card operations (authentication, signing), document content, and credential exchanges. This vulnerability is fixed in 1.2.2.

References

https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvr

https://github.com/oviva-ag/epa4all-client/pull/36

Details

Source: Mitre, NVD

Published: 2026-05-26

Updated: 2026-05-27

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.1

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

Severity: High

EPSS

EPSS: 0.00005