CVE-2026-45574
Published:May 26, 2026
Updated:June 11, 2026
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.
Affected Packages
https://github.com/oviva-ag/epa4all-client.git (GITHUB):
Affected version(s) >=v0.0.3 <v1.2.2Fix Suggestion:
Update to version v1.2.2com.oviva.telematik:epa4all-client (JAVA):
Affected version(s) >=0.0.2-rc.0 <1.2.2Fix Suggestion:
Update to version 1.2.2Related Resources (6)
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Contact UsCVSS v4
Base Score:
8.6
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Certificate Validation
EPSS
Base Score:
0.01