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CVE-2026-124490— OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument

Quick assessment

Affected

openemr openemr

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenEMR 8.3.0 之前的版本中，oe-module-faxsms 模块的 RingCentral RCFaxClient 类 disposeDocument() 方法存在路径遍历漏洞。该漏洞允许已认证的攻击者通过 file_path 参数读取和写入任意文件。攻击者可利用 action=download 读取凭据和源代码，或通过 action=setup 配合 Base64 编码内容写入可被 Web 执行的文件，从而实现代码执行。

CVSS 9.1 · Critical Updated Nov 08, 2026

Possible ATT&CK Techniques 3 AI

T1059 · Command and Scripting Interpreter T1078 · Valid Accounts T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

文件名或路径的外部可控制

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
openemr	openemr	0 ~ 8.3.0	-

II. Public POCs for CVE-2026-124490

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-124490

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Other References for CVE-2026-124490 (2)

https://github.com/openemr/openemr/security/advisories/GHSA-38jw-pwgq-9hpj vendor-advisory
https://www.vulncheck.com/advisories/openemr-before-8.3.0-arbitrary-file-read-write-via-oe-module-faxsms-disposedocument third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-124490

Same Patch Batch · openemr · 2026-11-08 · 44 CVEs total

CVE-2026-124450	9.9 CRITICAL	OpenEMR before 8.3.0 Arbitrary File Read/Write via disposeDocument
CVE-2026-124469	9.9 CRITICAL	OpenEMR before 8.3.0 SQL Injection via Fee Sheet warehouse parameter
CVE-2026-124445	9.8 CRITICAL	OpenEMR 7.0.1 before 8.4.0 OneTimeAuth Token Replay and PIN Brute Force
CVE-2026-124467	8.8 HIGH	OpenEMR before 8.4.0 Remote Code Execution via ESign LFI and fax upload
CVE-2026-124484	8.8 HIGH	OpenEMR before 8.4.0 Missing Authorization in Portal Onsite-Document APIs
CVE-2026-124480	8.8 HIGH	OpenEMR before 8.4.0 Authorization Bypass via FHIR QuestionnaireResponse APICSRFTOKEN
CVE-2026-124477	8.8 HIGH	OpenEMR before 8.3.0 Missing Authorization via delete_Recall in save.php
CVE-2026-124446	8.8 HIGH	OpenEMR before 8.3.0 Arbitrary File Read and Write via FaxSMS disposeDocument
CVE-2026-124486	8.8 HIGH	OpenEMR before 8.3.0 Missing Authorization in Classic Document Controller
CVE-2026-124463	8.7 HIGH	OpenEMR before 8.3.0 Stored XSS via CAMOS Rx Print View
CVE-2026-124483	8.3 HIGH	OpenEMR before 8.4.0 Improper Authorization via Prescription REST API
CVE-2026-124488	8.1 HIGH	OpenEMR before 8.3.0 Authorization Bypass via load_form.php High-Sensitivity Encounters
CVE-2026-124472	8.1 HIGH	OpenEMR before 8.3.0 Missing Authorization via sl_eob_patient_note.php
CVE-2026-124459	8.1 HIGH	OpenEMR before 8.3.0 Cross-Patient IDOR via Encounter Form Viewers and Save Handlers
CVE-2026-124447	8.1 HIGH	OpenEMR before 8.3.0 IDOR via OnsitePortalActivityController Update Endpoint
CVE-2026-124461	8.1 HIGH	OpenEMR before 8.3.0 IDOR via DICOM library/ajax/upload.php Endpoint
CVE-2026-124471	8.1 HIGH	OpenEMR before 8.3.0 Missing Authorization and IDOR via sl_eob_invoice.php
CVE-2026-124457	7.6 HIGH	OpenEMR before 8.3.0 Path Traversal via sl_eob_process.php eraname
CVE-2026-124448	7.6 HIGH	OpenEMR before 8.3.0 Stored XSS via CCDA/CCD Preview XSLT Attributes
CVE-2026-124466	7.2 HIGH	OpenEMR before 8.4.0 Unauthenticated SSRF via OAuth2 Client jwks_uri

Showing top 20 of 44 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: openemr

Same vendor: openemr

Same weakness: CWE-73