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HIGHCVE-2026-45574Published Modified CNA GitHub_M

CVE-2026-45574: epa4all-client: TLS Certificate Validation Disabled in Production

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.

Metrics

CVSS v3.1
8.1
Severity
HIGH
Fixed in
Affected Products
2
Affected packages
  • oviva-ag / epa4all-client
    < 1.2.2
  • com.oviva.telematik / epa4all-client
    < 1.2.2
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N