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    8 vulnerabilities by oviva-ag

    CVE-2026-45574 (GCVE-0-2026-45574)

    Vulnerability from nvd – Published: 2026-05-26 21:03 – Updated: 2026-05-27 13:21
    VLAI
    Title
    epa4all-client: TLS Certificate Validation Disabled in Production
    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.
    Severity
    8.1 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-44900 (GCVE-0-2026-44900)

    Vulnerability from nvd – Published: 2026-05-26 21:04 – Updated: 2026-05-28 14:12
    VLAI
    Title
    epa4all-client: VAU Signature bypass
    Summary
    epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted(), the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify(). The method performs certificate chain validation, OCSP check, and signature algorithm setup, but never checks whether the signature actually matches. For any structurally valid signature, it returns true. This vulnerability is fixed in 1.2.1.
    Severity
    8.1 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-47672 (GCVE-0-2026-47672)

    Vulnerability from nvd – Published: 2026-05-26 20:59 – Updated: 2026-05-27 14:16
    VLAI
    Title
    epa4all-client: Unauthenticated REST API for Patient Record Writes
    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.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    oviva-ag epa4all-client Affected: <= 1.2.4
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-45575 (GCVE-0-2026-45575)

    Vulnerability from nvd – Published: 2026-05-26 21:01 – Updated: 2026-05-28 14:11
    VLAI
    Title
    epa4all-client: Improper Verification of Cryptographic Signature
    Summary
    epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker who can MITM the TLS connection between the client and the IDP (within the TI network) can substitute a forged discovery document. The forged document redirects uri_puk_idp_enc and uri_puk_idp_sig to attacker-controlled URLs. The client then encrypts the SMC-B-signed challenge response to the attacker's encryption key and POSTs it to the attacker's auth endpoint. This captures the signed authentication material. This vulnerability is fixed in 1.2.2.
    Severity
    7.4 (High)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-44900 (GCVE-0-2026-44900)

    Vulnerability from cvelistv5 – Published: 2026-05-26 21:04 – Updated: 2026-05-28 14:12
    VLAI
    Title
    epa4all-client: VAU Signature bypass
    Summary
    epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted(), the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify(). The method performs certificate chain validation, OCSP check, and signature algorithm setup, but never checks whether the signature actually matches. For any structurally valid signature, it returns true. This vulnerability is fixed in 1.2.1.
    Severity
    8.1 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-45574 (GCVE-0-2026-45574)

    Vulnerability from cvelistv5 – Published: 2026-05-26 21:03 – Updated: 2026-05-27 13:21
    VLAI
    Title
    epa4all-client: TLS Certificate Validation Disabled in Production
    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.
    Severity
    8.1 (High)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-45575 (GCVE-0-2026-45575)

    Vulnerability from cvelistv5 – Published: 2026-05-26 21:01 – Updated: 2026-05-28 14:11
    VLAI
    Title
    epa4all-client: Improper Verification of Cryptographic Signature
    Summary
    epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker who can MITM the TLS connection between the client and the IDP (within the TI network) can substitute a forged discovery document. The forged document redirects uri_puk_idp_enc and uri_puk_idp_sig to attacker-controlled URLs. The client then encrypts the SMC-B-signed challenge response to the attacker's encryption key and POSTs it to the attacker's auth endpoint. This captures the signed authentication material. This vulnerability is fixed in 1.2.2.
    Severity
    7.4 (High)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2026-47672 (GCVE-0-2026-47672)

    Vulnerability from cvelistv5 – Published: 2026-05-26 20:59 – Updated: 2026-05-27 14:16
    VLAI
    Title
    epa4all-client: Unauthenticated REST API for Patient Record Writes
    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.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    oviva-ag epa4all-client Affected: <= 1.2.4
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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