CVE-2026-48021

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48021", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-20T17:44:09.587Z", "datePublished": "2026-07-24T18:26:57.751Z", "dateUpdated": "2026-07-25T00:57:07.063Z"}, "containers": {"cna": {"title": "epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau", "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "lang": "en", "description": "CWE-295: Improper Certificate Validation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh", "tags": ["x_refsource_CONFIRM"], "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/aa49f0", "tags": ["x_refsource_MISC"], "url": "https://www.machinespirits.com/advisory/aa49f0"}], "affected": [{"vendor": "med-united", "product": "epa4all", "versions": [{"version": "< 2026-05-20", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-24T18:26:57.751Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-vvh7-x6c7-46gh", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-25T00:56:57.881404Z", "id": "CVE-2026-48021", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-25T00:57:07.063Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-48021", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-25T00:56:57.881404Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-25T00:57:03.181Z"}}], "cna": {"title": "epa4all Security Incident: Implement keystore based on Telematik TSL, implement hostname check and certificate check for lib-vau", "source": {"advisory": "GHSA-vvh7-x6c7-46gh", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "med-united", "product": "epa4all", "versions": [{"status": "affected", "version": "< 2026-05-20"}]}], "references": [{"url": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh", "name": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/med-united/epa4all/releases/tag/2026-05-20", "name": "https://github.com/med-united/epa4all/releases/tag/2026-05-20", "tags": ["x_refsource_MISC"]}, {"url": "https://www.machinespirits.com/advisory/aa49f0", "name": "https://www.machinespirits.com/advisory/aa49f0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-295", "description": "CWE-295: Improper Certificate Validation"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-347", "description": "CWE-347: Improper Verification of Cryptographic Signature"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-24T18:26:57.751Z"}}}, "cveMetadata": {"cveId": "CVE-2026-48021", "state": "PUBLISHED", "dateUpdated": "2026-07-25T00:57:07.063Z", "dateReserved": "2026-05-20T17:44:09.587Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-24T18:26:57.751Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "epa4all", "vendor": "med-united", "versions": [{"status": "affected", "version": "< 2026-05-20"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En epa4all, antes de la versi\u00f3n 2026-05-20, un atacante que puede interceptar la conexi\u00f3n TLS entre epa4all y el backend de ePA puede completar el handshake VAU con claves controladas por el atacante y obtener las claves de cifrado de sesi\u00f3n. Todo el tr\u00e1fico HTTP interno (decisiones de consentimiento del paciente, datos de medicaci\u00f3n, operaciones de documentos, tokens de autorizaci\u00f3n y consultas de derechos) se vuelve legible y modificable. El atacante tambi\u00e9n puede inyectar solicitudes arbitrarias a trav\u00e9s del canal secuestrado. Este problema ha sido parcheado en la versi\u00f3n 2026-05-20."}], "id": "CVE-2026-48021", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48021", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-25T00:56:57.881404Z", "version": "2.0.3"}}]}, "published": "2026-07-24T19:16:58.033", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/med-united/epa4all/releases/tag/2026-05-20"}, {"source": "security-advisories@github.com", "url": "https://github.com/med-united/epa4all/security/advisories/GHSA-vvh7-x6c7-46gh"}, {"source": "security-advisories@github.com", "url": "https://www.machinespirits.com/advisory/aa49f0"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}, {"lang": "en", "value": "CWE-347"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026-05-20)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "epa4all", "source": "cna", "vendor": "med-united"}, "product": "epa4all", "vendor": "med-united"}], "created": "2026-07-27T12:50:10.949500+00:00", "updated": "2026-08-03T20:00:12.984912+00:00", "vendors": ["med-united", "med-united$PRODUCT$epa4all"]}