{"id":"CVE-2026-44506","title":"Medplum is a developer platform that enables development of healthcare apps","summary":"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 defaultOAu…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","cwe":["CWE-200"],"published":"2026-09-03","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:09:13.080","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-44506","references":[{"url":"https://github.com/medplum/medplum/releases/tag/v5.1.7","label":"security-advisories@github.com"},{"url":"https://github.com/medplum/medplum/security/advisories/GHSA-ch8p-j6cm-r7w5","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00205,"epssPercentile":0.10824,"ingestedAt":"2026-09-09T21:22:45.566Z","slug":"CVE-2026-44506","body":"## Overview\n\nMedplum 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}