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Vulnerabilities CVE-2026-47660

CVE-2026-47660

High
Open
TLP:CLEAR

Pathling: Explicit oauthMetadataUrl in bulk-submit allows OAuth client credential exfiltration

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Description

Pathling is a set of tools that make it easier to use FHIR and clinical terminology within health data analytics. Prior to version 2.0.0 of Pathling Server, Pathling's bulk-submit operation allows an allowed submitter to supply an explicit `oauthMetadataUrl` parameter that is not validated against `pathling.bulkSubmit.allowableSources`. When present, the bulk-submit OAuth flow trusts metadata and the returned `token_endpoint` from the caller-chosen location, then builds outbound OAuth client authentication directly from the submitter's stored credentials. This is fixed in Pathling Server 2.0.0.

Details

CVSS Score
8.7
EPSS Score
0.31%

23.6th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 7, 2026
Last Modified
Aug 7, 2026
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