{"id":"GHSA-5hhf-xmfx-4vvr","summary":"epa4all-client: TLS Certificate Validation Disabled in Production","details":"### Impact\nAn 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),\ndocument content, and credential exchanges.\n\n### Patches\n[#36](https://github.com/oviva-ag/epa4all-client/pull/36)\n\n### Workarounds\nUse the library directly instead of the REST wrapper.\n\n### Resources\n- MS-OVIVA-EPA4ALL-771a78\n\n### Credits\n[Machine Spirits](https://machinespirits.com/) ([contact@machinespirits.de](mailto:contact@machinespirits.de))\n\n- Dr. rer. nat. Simon Weber\n- Dipl.-Inf. Volker Schönefeld\n- Chiara Fliegner","aliases":["CVE-2026-45574"],"modified":"2026-06-08T23:45:13.358871640Z","published":"2026-05-15T18:29:31Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-05-15T18:29:31Z","nvd_published_at":"2026-05-26T22:16:43Z","cwe_ids":["CWE-295"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45574"},{"type":"WEB","url":"https://github.com/oviva-ag/epa4all-client/pull/36"},{"type":"WEB","url":"https://github.com/oviva-ag/epa4all-client/commit/9111d6fbb939007036a7f74b2a93bb278cb5af32"},{"type":"PACKAGE","url":"https://github.com/oviva-ag/epa4all-client"},{"type":"WEB","url":"https://github.com/oviva-ag/epa4all-client/releases/tag/v1.2.2"}],"affected":[{"package":{"name":"com.oviva.telematik:epa4all-client","ecosystem":"Maven","purl":"pkg:maven/com.oviva.telematik/epa4all-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2"}]}],"versions":["0.0.2-rc.0","0.0.4","0.0.5","0.0.7","0.0.8","1.0.0","1.0.2","1.0.3","1.1.0","1.1.1","1.2.0","1.2.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-5hhf-xmfx-4vvr/GHSA-5hhf-xmfx-4vvr.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}