---
id: CVE-2026-124490
title: >-
  OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms
  disposeDocument
summary: >-
  OpenEMR before 8.3.0 contains a path traversal vulnerability in the
  RingCentral RCFaxClient disposeDocument() method of oe-module-faxsms that
  allows authenticated attackers to read and write arbitrary files via the
  file_path parameter. A…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-73
vendor: openemr
product: openemr
affected:
  - openemr < 8.3.0
published: '2026-11-08'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T13:16:07.121Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-124490'
references:
  - url: 'https://github.com/openemr/openemr/security/advisories/GHSA-38jw-pwgq-9hpj'
    label: GitHub Security Advisory (GHSA-38jw-pwgq-9hpj)
  - url: >-
      https://www.vulncheck.com/advisories/openemr-before-8.3.0-arbitrary-file-read-write-via-oe-module-faxsms-disposedocument
    label: >-
      VulnCheck Advisory: OpenEMR before 8.3.0 Arbitrary File Read/Write via
      oe-module-faxsms disposeDocument
tags:
  - cve.org
ingestedAt: '2026-11-08T13:50:34.958Z'
---

## Overview

OpenEMR before 8.3.0 contains a path traversal vulnerability in the RingCentral RCFaxClient disposeDocument() method of oe-module-faxsms that allows authenticated attackers to read and write arbitrary files via the file_path parameter. Attackers can use action=download to read credentials and source code, or action=setup with base64 content to write web-executable files for code execution.

## Affected

- `openemr < 8.3.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.