{"id":"CVE-2026-45574","aliases":["EUVD-2026-32001","GHSA-5hhf-xmfx-4vvr"],"status":"published","title":"epa4all-client: TLS Certificate Validation Disabled in Production","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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00138,"percentile":0.03232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2026-05-15T18:29:31Z","modified":"2026-10-28T10:55:26Z","fixes":[{"ecosystem":"Maven","package":"com.oviva.telematik:epa4all-client","fixed_in":["1.2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.oviva.telematik:epa4all-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"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"]}],"products":[{"vendor":"com.oviva.telematik","product":"epa4all-client"},{"vendor":"oviva-ag","product":"epa4all-client"}],"references":[{"url":"https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvr","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/oviva-ag/epa4all-client/pull/36","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/oviva-ag/epa4all-client/commit/9111d6fbb939007036a7f74b2a93bb278cb5af32","tags":["web"]},{"url":"https://github.com/oviva-ag/epa4all-client/releases/tag/v1.2.2","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45574","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5hhf-xmfx-4vvr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45574.json","tags":["advisory"]},{"url":"https://github.com/oviva-ag/epa4all-client","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-45574","title":"epa4all-client: TLS Certificate Validation Disabled in Production","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.","status":"published","published":"2026-05-26T21:03:15.152Z","modified":"2026-05-27T13:21:07.023Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-32001","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.","status":"published","published":"2026-05-26T21:03:15Z","modified":"2026-05-27T13:21:07Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:21:04.78276Z"}],"ghsa":[{"id":"GHSA-5hhf-xmfx-4vvr","title":"epa4all-client: TLS Certificate Validation Disabled in Production","description":"### 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","status":"published","published":"2026-05-15T18:29:31Z","modified":"2026-06-08T23:35:20Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:40:21.48274Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-05-26T22:16:43.887Z","modified":"2026-07-24T12:10:00.21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:20.511562Z"}],"osv":[{"id":"CVE-2026-45574","title":"epa4all-client: TLS Certificate Validation Disabled in Production","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.","status":"published","published":"2026-05-26T21:03:15.152Z","modified":"2026-10-28T10:55:26.44671717Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:45:05.525666Z"},{"id":"GHSA-5hhf-xmfx-4vvr","title":"epa4all-client: TLS Certificate Validation Disabled in Production","description":"### 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","status":"published","published":"2026-05-15T18:29:31Z","modified":"2026-06-08T23:45:13.35887164Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:38.553953Z"}]}}