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.
Published: 2026-05-26
Score: 8.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-5hhf-xmfx-4vvr epa4all-client: TLS Certificate Validation Disabled in Production
History

Wed, 27 May 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 27 May 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Com.oviva.telematik
Com.oviva.telematik epa4all-client
Oviva-ag
Oviva-ag epa4all-client
Vendors & Products Com.oviva.telematik
Com.oviva.telematik epa4all-client
Oviva-ag
Oviva-ag epa4all-client

Tue, 26 May 2026 21:45:00 +0000

Type Values Removed Values Added
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.
Title epa4all-client: TLS Certificate Validation Disabled in Production
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Com.oviva.telematik Epa4all-client
Oviva-ag Epa4all-client
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-27T13:21:07.023Z

Reserved: 2026-05-12T19:00:14.600Z

Link: CVE-2026-45574

cve-icon Vulnrichment

Updated: 2026-05-27T13:21:03.565Z

cve-icon NVD

Status : Deferred

Published: 2026-05-26T22:16:43.887

Modified: 2026-06-17T10:52:13.450

Link: CVE-2026-45574

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T10:08:23Z

Weaknesses