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

CVE ID :CVE-2026-45574

Published : May 26, 2026, 10:16 p.m. | 15 minutes ago

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.

Severity: 8.1 | HIGH

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