CVE-2026-47672— epa4all-client: Unauthenticated REST API for Patient Record Writes
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| oviva-ag | epa4all-client | <= 1.2.4 | affected |
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I. Basic Information for CVE-2026-47672
Vulnerability Information
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Vulnerability Title
epa4all-client: Unauthenticated REST API for Patient Record Writes
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| oviva-ag | epa4all-client | <= 1.2.4 | - |
II. Public POCs for CVE-2026-47672
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-47672 (1)
Same Patch Batch · oviva-ag · 2026-05-26 · 4 CVEs total
| CVE-2026-45574 | 8.1 HIGH | epa4all-client: TLS Certificate Validation Disabled in Production |
| CVE-2026-44900 | 8.1 HIGH | epa4all-client: VAU Signature bypass |
| CVE-2026-45575 | 7.4 HIGH | epa4all-client: Improper Verification of Cryptographic Signature |
IV. Related Vulnerabilities
Same weakness: CWE-306
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free5GC: SMF UPI POST /upi/v1/upNodesLinks exits the SMF pro - CVE-2026-44327
free5GC: NEF nnef-oam route group is unauthenticated; no-tok
V. Comments for CVE-2026-47672
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