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CVE-2026-47659: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in aehrc pathling

0
High
VulnerabilityCVE-2026-47659cvecve-2026-47659cwe-22cwe-918
Published: 08/07/2026 (08/07/2026, 19:44:00 UTC)
Source: CVE Database V5
Vendor/Project: aehrc
Product: pathling

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 `/$result` endpoint allows a caller who can obtain any valid async export job ID to supply `file` parameter values containing path traversal sequences. The handler verifies only the supplied `job` and never normalises or confines the requested `file` path to that job's `jobs/<jobId>` directory before opening it as a filesystem resource. Because async export scratch space lives under the same warehouse database root as persisted resource tables, an attacker can use their own export job to read other files from the warehouse. This is fixed in Pathling Server 2.0.0. The `$result` handler now resolves and canonicalizes the requested file path and rejects any request that escapes the job's `jobs/<jobId>` directory. As an interim mitigation, disable the async export operations (`pathling.operations.exportEnabled`, `patientExportEnabled`, `groupExportEnabled`, `bulkSubmitEnabled`) or enable authentication and restrict export capability to trusted callers.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Technical Details

Data Version
5.2
Assigner Short Name
GitHub_M
Date Reserved
2026-05-19T21:10:38.796Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a76387dbf8831d53911445c

Added to database: 08/07/2026, 19:56:45 UTC

Last updated: 08/07/2026, 19:56:45 UTC

Views: 1

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