CVE-2026-44506

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Source
https://cve.org/CVERecord?id=CVE-2026-44506
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44506.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-44506
Aliases
  • GHSA-ch8p-j6cm-r7w5
Published
2026-09-03T19:04:47Z
Modified
2026-09-11T03:30:33Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N CVSS Calculator
Summary
Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations
Details

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.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-200"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44506.json"
}
References

Affected packages

Git / github.com/medplum/medplum

Affected ranges

Type
GIT
Repo
https://github.com/medplum/medplum
Events
Introduced
abdf60cb2e07296c206a1e042174cbcdca7201ca
Fixed
365bb971dbaa7b14fdb1e4489405d471d1984ade
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "4.1.10"
        },
        {
            "fixed":  "5.1.7"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v4.*
v4.1.10
v4.1.11
v4.1.12
v4.2.0
v4.2.1
v4.2.2
v4.2.3
v4.2.4
v4.2.6
v4.3.0
v4.3.1
v4.3.10
v4.3.11
v4.3.12
v4.3.13
v4.3.14
v4.3.15
v4.3.2
v4.3.3
v4.3.4
v4.3.5
v4.3.6
v4.3.7
v4.3.8
v4.3.9
v4.4.0
v4.4.1
v4.4.2
v4.4.3
v4.5.0
v4.5.1
v4.5.2
v5.*
v5.0.0
v5.0.1
v5.0.10
v5.0.11
v5.0.12
v5.0.13
v5.0.14
v5.0.15
v5.0.2
v5.0.3
v5.0.4
v5.0.5
v5.0.6
v5.0.7
v5.0.8
v5.0.9
v5.1.0
v5.1.1
v5.1.2
v5.1.3
v5.1.4
v5.1.5
v5.1.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44506.json"