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CVE-2026-124487— OpenEMR before 8.4.0 Improper Authorization in FHIR DocumentReference $docref

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 8.4.0 之前的版本在 非患者路由中存在授权不当漏洞，允许低权限用户生成任意患者的 CCDA（连续协调文档架构）文件。仅拥有“人口统计信息”和“文档”权限的攻击者，可以通过提供目标患者参数，从“患者文档”中下载完整的病历 CCDA，从而窃取临床数据。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-124487

Vulnerability Information
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Vulnerability Title
OpenEMR before 8.4.0 Improper Authorization in FHIR DocumentReference $docref
Source: CVE Program / CVE List V5
Vulnerability Description
OpenEMR before 8.4.0 contains an improper authorization vulnerability in the non-patient POST /fhir/DocumentReference/$docref route that allows low-privileged users to generate any patient's CCDA. Attackers with only demographics and documents permissions can supply a victim patient parameter, then download the full-chart CCDA from Patient Documents to exfiltrate clinical data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
openemr openemr 0 ~ 8.4.0 -

II. Public POCs for CVE-2026-124487

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III. Intelligence Information for CVE-2026-124487

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Other References for CVE-2026-124487 (2)

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-2026-124490 9.1 CRITICAL OpenEMR before 8.3.0 Arbitrary File Read/Write via oe-module-faxsms disposeDocument
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-2026-124459 8.1 HIGH OpenEMR before 8.3.0 Cross-Patient IDOR via Encounter Form Viewers and Save Handlers
CVE-2026-124472 8.1 HIGH OpenEMR before 8.3.0 Missing Authorization via sl_eob_patient_note.php
CVE-2026-124461 8.1 HIGH OpenEMR before 8.3.0 IDOR via DICOM library/ajax/upload.php Endpoint
CVE-2026-124447 8.1 HIGH OpenEMR before 8.3.0 IDOR via OnsitePortalActivityController Update Endpoint
CVE-2026-124471 8.1 HIGH OpenEMR before 8.3.0 Missing Authorization and IDOR via sl_eob_invoice.php
CVE-2026-124448 7.6 HIGH OpenEMR before 8.3.0 Stored XSS via CCDA/CCD Preview XSLT Attributes
CVE-2026-124457 7.6 HIGH OpenEMR before 8.3.0 Path Traversal via sl_eob_process.php eraname

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

IV. Related Vulnerabilities

Same product: openemr
Same vendor: openemr
Same weakness: CWE-863