Categories
CVE-2026-45574 high CVSS 8.1

Vulnerability in com.oviva.telematik:epa4all-client (CVE-2026-45574)

Summary

Vulnerability in com.oviva.telematik:epa4all-client (CVE-2026-45574). Confidential information can be exposed externally. Mitigation: upgrade to 1.2.2 or later.

Original description

The description as published by the source.

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.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-45574 has been found in com.oviva.telematik:epa4all-client.
Confidential information can be exposed externally. CVSS score: 8.1/10.
What to do: upgrade com.oviva.telematik:epa4all-client to 1.2.2 or later.
If unsure, ask your IT team or search "com.oviva.telematik:epa4all-client CVE-2026-45574" on the vendor's site.

CVE-2026-45574 (com.oviva.telematik:epa4all-client) — CWE-295 / CVSS v3 8.1
Attack vector: adjacent-network / unauthenticated / no user interaction
Patched: 1.2.2 — apply immediately
Workaround: Use the library directly instead of the REST wrapper.
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-295) exists in com.oviva.telematik:epa4all-client.

📍 Affected scope

Check the vendor advisory for the affected versions of com.oviva.telematik:epa4all-client.

🔥 Severity

Severity: High (CVSS 8.1/10). Confidential information can be exposed externally.

🔧 How to fix

Update to 1.2.2.

🛡️ Workaround

Workaround: Use the library directly instead of the REST wrapper.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで com.oviva.telematik:epa4all-client を使っているサービスとバージョンを洗い出す。

  2. 2
    Apply temporary workaround mitigate
    Use the library directly instead of the REST wrapper.

    パッチが適用されるまでの応急処置として、Use the library directly instead of the REST wrapper. を実施。回避策の副作用 (機能低下) を確認した上で。

  3. 3
    Apply patch patch
    Upgrade com.oviva.telematik:epa4all-client to 1.2.2

    ステージング環境で 1.2.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  4. 4
    Post-deployment verification verify
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

maven com.oviva.telematik:epa4all-client
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2"}]}]

References

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