High severity8.1GHSA Advisory· Published May 26, 2026· Updated May 27, 2026
CVE-2026-45574
CVE-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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.oviva.telematik:epa4all-clientMaven | < 1.2.2 | 1.2.2 |
Affected products
2- Range: < 1.2.2
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-5hhf-xmfx-4vvrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-45574ghsaADVISORY
- github.com/oviva-ag/epa4all-client/commit/9111d6fbb939007036a7f74b2a93bb278cb5af32ghsaWEB
- github.com/oviva-ag/epa4all-client/pull/36nvdWEB
- github.com/oviva-ag/epa4all-client/releases/tag/v1.2.2ghsaWEB
- github.com/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvrnvdWEB
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