TI-2026-35179 Aliases CVE-2026-47672 GHSA-c82x-f4xr-qv33

epa4all-client: Unauthenticated REST API for Patient Record Writes

LOW 28CWE-306Published 2026-05-26 · Updated 2026-05-27

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-306.

Summary

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. In 1.2.4 and earlier, any network-reachable caller can write arbitrary documents to any patient's electronic health record accessible by the institution's SMC-B card. In a misconfigured deployment (e.g., following the production Docker example in the README), this is exploitable from the local network without credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00162 5th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
oviva-ag	epa4all-client	up to 1.2.4	—	No fix listed	CNA
—	com.oviva.telematik:epa4all-rest-service (Maven)	up to 1.2.4	—	No fix listed	GHSA-c82x-f4xr-qv33

epa4all-client Vendoroviva-ag Affected up to 1.2.4 Fixed in — No fix listed CNA
com.oviva.telematik:epa4all-rest-service (Maven) Vendor— Affected up to 1.2.4 Fixed in — No fix listed GHSA-c82x-f4xr-qv33

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-47672
2026-10-03 Alias added: GHSA-c82x-f4xr-qv33

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-47672

Other 3

TI-2026-33323 epa4all-client: TLS Certificate Validation Disabled in Production CVSS 3.1HIGH 8.1
TI-2026-32775 epa4all-client: VAU Signature bypass CVSS 3.1HIGH 8.1
TI-2026-33324 epa4all-client: Improper Verification of Cryptographic Signature CVSS 3.1HIGH 7.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences