CVE-2026-45574 json
epa4all-client: TLS Certificate Validation Disabled in Production
published 5mo ago modified 3mo ago also GHSA-5hhf-xmfx-4vvr , EUVD-2026-32001
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven com.oviva.telematik:epa4all-client 1.2.2
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5mo ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.oviva.telematik:epa4all-client | <1.2.2 |
1.2.2 |
Affected products
- oviva-ag epa4all-client
- com.oviva.telematik epa4all-client
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/oviva-ag/epa4all-client/pull/36
web
-
github.com
/oviva-ag/epa4all-client/commit/9111d6fbb939007036a7f74b2a93bb278cb5af32
web
-
github.com
/oviva-ag/epa4all-client/security/advisories/GHSA-5hhf-xmfx-4vvr
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-45574
advisory
-
github.com
/oviva-ag/epa4all-client
package
-
github.com
/oviva-ag/epa4all-client/releases/tag/v1.2.2
web
Sources
- CVE List CVE-2026-45574
- GitHub Advisory GHSA-5hhf-xmfx-4vvr
- NVD CVE-2026-45574
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