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4 vulnerabilities by med-united
CVE-2026-54342 (GCVE-0-2026-54342)
Vulnerability from nvd – Published: 2026-07-24 18:26 – Updated: 2026-07-24 18:26
VLAI
EPSS
VEX
Title
TLS Certificate Verification Disabled on CXF Transport Clients in epa4all
Summary
In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections (Konnektor, IDP), this allows direct read and modification of the inner traffic, including smartcard operations and OIDC authentication exchanges. For the ePA backend, the disabled TLS verification is the transport-level enabler for the VAU MITM described in GHSA-vvh7-x6c7-46gh. This issue has been patched in version 2026-05-20.
Severity
8.1 (High)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/med-united/epa4all/security/ad… | x_refsource_CONFIRM |
| https://github.com/med-united/epa4all/security/ad… | x_refsource_MISC |
| https://github.com/med-united/epa4all/releases/ta… | x_refsource_MISC |
| https://www.machinespirits.com/advisory/b98b02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| med-united | epa4all |
Affected:
< 2026-05-20
|
{
"containers": {
"cna": {
"affected": [
{
"product": "epa4all",
"vendor": "med-united",
"versions": [
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}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections (Konnektor, IDP), this allows direct read and modification of the inner traffic, including smartcard operations and OIDC authentication exchanges. For the ePA backend, the disabled TLS verification is the transport-level enabler for the VAU MITM described in GHSA-vvh7-x6c7-46gh. This issue has been patched in version 2026-05-20."
}
],
"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
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{
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"description": "CWE-295: Improper Certificate Validation",
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"type": "CWE"
}
]
}
],
"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
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"x_refsource_CONFIRM"
],
"url": "https://github.com/med-united/epa4all/security/advisories/GHSA-296w-v8f6-3rf7"
},
{
"name": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh"
},
{
"name": "https://github.com/med-united/epa4all/releases/tag/2026-05-20",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/med-united/epa4all/releases/tag/2026-05-20"
},
{
"name": "https://www.machinespirits.com/advisory/b98b02",
"tags": [
"x_refsource_MISC"
],
"url": "https://www.machinespirits.com/advisory/b98b02"
}
],
"source": {
"advisory": "GHSA-296w-v8f6-3rf7",
"discovery": "UNKNOWN"
},
"title": "TLS Certificate Verification Disabled on CXF Transport Clients in epa4all"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
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"datePublished": "2026-07-24T18:26:34.794Z",
"dateReserved": "2026-06-12T19:23:22.317Z",
"dateUpdated": "2026-07-24T18:26:34.794Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2026-48021 (GCVE-0-2026-48021)
Vulnerability from nvd – Published: 2026-07-24 18:26 – Updated: 2026-07-25 00:57
VLAI
EPSS
VEX
Title
epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau
Summary
In epa4all, prior to version 2026-05-20, an attacker who can intercept the TLS connection between epa4all and the ePA backend can complete the VAU handshake with attacker-controlled keys and obtain the session encryption keys. All inner HTTP traffic (patient consent decisions, medication data, document operations, authorization tokens, and entitlement queries) becomes readable and modifiable. The attacker can also inject arbitrary requests through the hijacked channel. This issue has been patched in version 2026-05-20.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/med-united/epa4all/security/ad… | x_refsource_CONFIRM |
| https://github.com/med-united/epa4all/releases/ta… | x_refsource_MISC |
| https://www.machinespirits.com/advisory/aa49f0 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| med-united | epa4all |
Affected:
< 2026-05-20
|
{
"containers": {
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{
"metrics": [
{
"other": {
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"id": "CVE-2026-48021",
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"timestamp": "2026-07-25T00:56:57.881404Z",
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},
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}
],
"cna": {
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"vendor": "med-united",
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}
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],
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}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
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"description": "CWE-295: Improper Certificate Validation",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
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"description": "CWE-347: Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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{
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},
{
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],
"source": {
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"discovery": "UNKNOWN"
},
"title": "epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau"
}
},
"cveMetadata": {
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}
CVE-2026-48021 (GCVE-0-2026-48021)
Vulnerability from cvelistv5 – Published: 2026-07-24 18:26 – Updated: 2026-07-25 00:57
VLAI
EPSS
VEX
Title
epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau
Summary
In epa4all, prior to version 2026-05-20, an attacker who can intercept the TLS connection between epa4all and the ePA backend can complete the VAU handshake with attacker-controlled keys and obtain the session encryption keys. All inner HTTP traffic (patient consent decisions, medication data, document operations, authorization tokens, and entitlement queries) becomes readable and modifiable. The attacker can also inject arbitrary requests through the hijacked channel. This issue has been patched in version 2026-05-20.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/med-united/epa4all/security/ad… | x_refsource_CONFIRM |
| https://github.com/med-united/epa4all/releases/ta… | x_refsource_MISC |
| https://www.machinespirits.com/advisory/aa49f0 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| med-united | epa4all |
Affected:
< 2026-05-20
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
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"id": "CVE-2026-48021",
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},
{
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},
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}
],
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"timestamp": "2026-07-25T00:56:57.881404Z",
"version": "2.0.3"
},
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}
}
],
"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"product": "epa4all",
"vendor": "med-united",
"versions": [
{
"status": "affected",
"version": "\u003c 2026-05-20"
}
]
}
],
"descriptions": [
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}
],
"metrics": [
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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}
]
},
{
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{
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},
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],
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}
],
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"discovery": "UNKNOWN"
},
"title": "epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau"
}
},
"cveMetadata": {
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CVE-2026-54342 (GCVE-0-2026-54342)
Vulnerability from cvelistv5 – Published: 2026-07-24 18:26 – Updated: 2026-07-24 18:26
VLAI
EPSS
VEX
Title
TLS Certificate Verification Disabled on CXF Transport Clients in epa4all
Summary
In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections (Konnektor, IDP), this allows direct read and modification of the inner traffic, including smartcard operations and OIDC authentication exchanges. For the ePA backend, the disabled TLS verification is the transport-level enabler for the VAU MITM described in GHSA-vvh7-x6c7-46gh. This issue has been patched in version 2026-05-20.
Severity
8.1 (High)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/med-united/epa4all/security/ad… | x_refsource_CONFIRM |
| https://github.com/med-united/epa4all/security/ad… | x_refsource_MISC |
| https://github.com/med-united/epa4all/releases/ta… | x_refsource_MISC |
| https://www.machinespirits.com/advisory/b98b02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| med-united | epa4all |
Affected:
< 2026-05-20
|
{
"containers": {
"cna": {
"affected": [
{
"product": "epa4all",
"vendor": "med-united",
"versions": [
{
"status": "affected",
"version": "\u003c 2026-05-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certificate and intercept the connection. For non-VAU connections (Konnektor, IDP), this allows direct read and modification of the inner traffic, including smartcard operations and OIDC authentication exchanges. For the ePA backend, the disabled TLS verification is the transport-level enabler for the VAU MITM described in GHSA-vvh7-x6c7-46gh. This issue has been patched in version 2026-05-20."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
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{
"cweId": "CWE-295",
"description": "CWE-295: Improper Certificate Validation",
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}
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"providerMetadata": {
"dateUpdated": "2026-07-24T18:26:34.794Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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],
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},
{
"name": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh",
"tags": [
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],
"url": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh"
},
{
"name": "https://github.com/med-united/epa4all/releases/tag/2026-05-20",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/med-united/epa4all/releases/tag/2026-05-20"
},
{
"name": "https://www.machinespirits.com/advisory/b98b02",
"tags": [
"x_refsource_MISC"
],
"url": "https://www.machinespirits.com/advisory/b98b02"
}
],
"source": {
"advisory": "GHSA-296w-v8f6-3rf7",
"discovery": "UNKNOWN"
},
"title": "TLS Certificate Verification Disabled on CXF Transport Clients in epa4all"
}
},
"cveMetadata": {
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},
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}