CVE-2026-45574HIGH 8.1EPSS p3.5%

CVE-2026-45574CVE-2026-45574

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.14% probability of exploitation · percentile 3.5% · 2026-06-19T12:03:05Z
Published2026-05-26
Last modified2026-05-26

Underlying weaknesses· 1

CWE-295

References

  1. https://github.com/oviva-ag/epa4all-client/pull/36
  2. https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvr

1

TypeTargetConfidenceTier
WeaknessImproper Certificate Validationcwe-2950%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.