CVE-2026-45574

HIGH

epa4all-client: TLS Certificate Validation Disabled in Production

Title source: cna
STIX 2.1

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 (2)

Core 2
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/oviva-ag/epa4all-client/pull/36

Scores

CVSS v3 8.1
EPSS 0.0014
EPSS Percentile 3.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-295
Status published
Products (3)
com.oviva.telematik/epa4all-client 0 - 1.2.2Maven
com.oviva.telematik/epa4all-client < 1.2.2
oviva-ag/epa4all-client < 1.2.2
Published May 26, 2026
Tracked Since May 27, 2026