{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44506", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T18:28:20.886Z", "datePublished": "2026-09-03T19:04:47.285Z", "dateUpdated": "2026-09-03T19:04:47.285Z"}, "containers": {"cna": {"title": "Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/medplum/medplum/security/advisories/GHSA-ch8p-j6cm-r7w5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/medplum/medplum/security/advisories/GHSA-ch8p-j6cm-r7w5"}, {"name": "https://github.com/medplum/medplum/releases/tag/v5.1.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/medplum/medplum/releases/tag/v5.1.7"}], "affected": [{"vendor": "medplum", "product": "medplum", "versions": [{"version": ">= 4.1.10, < 5.1.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-03T19:04:47.285Z"}, "descriptions": [{"lang": "en", "value": "Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirect_uri was provided. This issue has been patched in version 5.1.7."}], "source": {"advisory": "GHSA-ch8p-j6cm-r7w5", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "medplum", "vendor": "medplum", "versions": [{"status": "affected", "version": ">= 4.1.10, < 5.1.7"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirect_uri was provided. This issue has been patched in version 5.1.7."}], "id": "CVE-2026-44506", "lastModified": "2026-09-03T20:17:21.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-03T20:17:21.177", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/medplum/medplum/releases/tag/v5.1.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/medplum/medplum/security/advisories/GHSA-ch8p-j6cm-r7w5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.1.10,5.1.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "medplum", "source": "cna", "vendor": "medplum"}, "product": "medplum", "vendor": "medplum"}], "created": "2026-09-03T20:30:10.034829+00:00", "updated": "2026-09-03T20:30:10.034847+00:00", "vendors": ["medplum", "medplum$PRODUCT$medplum"]}