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CVE-2026-115573— OpenEMR: Broken Access Control in controller.php Enables Insurance Routing Credential Hijack and PHI Enumeration

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 是一款免费且开源的电子健康记录（EHR）与医疗诊所管理应用程序。在 8.3.0 版本之前，允许将请求显式分派给未列入的控制器，而函数在处理这些条目时直接返回，未实施任何权限检查。低权限的已认证用户可利用此漏洞调用来创建或修改保险路由主机及凭据，或调用来枚举患者姓名、出生日期及标识符。该问题的根本原因在于共享的“失败即开放”（fail-open）分派器机制，导致原本应通过基于访问控制列表（ACL）的“诊所设置”路由进行保护的其他管理控制器同样暴露。此漏洞已在 8.3.0 版本中修复。

CVSS 8.1 · High Updated Nov 06, 2026

Possible ATT&CK Techniques 3 AI

T1078 · Valid Accounts T1086 T1551.004

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Vulnerability Information

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Vulnerability Title

OpenEMR: Broken Access Control in controller.php Enables Insurance Routing Credential Hijack and PHI Enumeration

Source: CVE Program / CVE List V5

Vulnerability Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, library/classes/Controller.class.php allows explicit controller.php dispatch to controllers missing from CONTROLLER_ACL_MAP, and checkControllerAcl() returns without enforcing any permission for those entries. A low-privilege authenticated user can invoke C_X12Partner::edit_action_process() to create or alter insurance-routing hosts and credentials, or invoke C_PatientFinder::find_action_process() to enumerate patient names, dates of birth, and identifiers. The shared fail-open dispatcher root cause also exposes other administrative controllers that were intended to be reached through ACL-gated Practice Settings routes. This issue is fixed in version 8.3.0.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
openemr	openemr	< 8.3.0	-

II. Public POCs for CVE-2026-115573

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-115573

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Vendor Pages for CVE-2026-115573 (1)

🔗 Release OpenEMR 8.3.0 · openemr/openemr · GitHub Read full article x_refsource_MISC

Other References for CVE-2026-115573 (3)

https://github.com/openemr/openemr/pull/13565 x_refsource_MISC
https://github.com/openemr/openemr/security/advisories/GHSA-9rj4-fxmj-c4r7 x_refsource_CONFIRM
https://github.com/openemr/openemr/commit/64f8491d850b2e22ed4fceb14fa67e27fef62cd1 x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2026-115573

Same Patch Batch · openemr · 2026-11-05 · 16 CVEs total

CVE-2026-102940	9.6 CRITICAL	OpenEMR: Missing Write ACL Allows Unauthorized Document Reassignment
CVE-2026-103935	8.1 HIGH	OpenEMR: Stored XSS via `text()` Misuse in Double-Quoted HTML Attribute
CVE-2026-65983	7.5 HIGH	OpenEMR FaxSMS module: insecure staging of decrypted patient documents in webroot
CVE-2026-103938	7.1 HIGH	OpenEMR: CSRF Protection Bypass on IPPF Point-of-Sale Void and Regen Operations
CVE-2026-104137	7.1 HIGH	OpenEMR: Patient Data Search Without Sufficient ACL
CVE-2026-104136	7.1 HIGH	OpenEMR: Arbitrary Patient Recall and Contact Detail Read
CVE-2026-104133	7.1 HIGH	OpenEMR: Missing authorization in DORN `compendium_install.php` — non-admin destructive la
CVE-2026-104138	6.5 MEDIUM	OpenEMR: Missing authorization on QRDA Category I/III download endpoints
CVE-2026-104135	6.5 MEDIUM	OpenEMR: Missing authorization in payment patient-search AJAX leaks patient directory and
CVE-2026-104139	6.5 MEDIUM	OpenEMR: Missing Authorization on Document Template Download Endpoint Allows Any Authentic
CVE-2026-104134	6.5 MEDIUM	OpenEMR: Missing authorization in person-search AJAX leaks patient demographics (name, DOB
CVE-2026-103939	5.4 MEDIUM	OpenEMR: Weno `file_download.php`: missing ACL/CSRF truncates the e-prescribing pharmacy d
CVE-2026-103021	5.3 MEDIUM	OpenEMR: Username Enumeration via Pre-Authentication User Settings Loading
CVE-2026-103020	5.3 MEDIUM	OpenEMR: Unauthenticated Information Disclosure in admin.php Exposes Database Names and Ve
CVE-2026-103019	4.3 MEDIUM	OpenEMR: Unauthenticated Open Redirect via OIDC End Session Endpoint

IV. Related Vulnerabilities

Same product: openemr

Same vendor: openemr

Same weakness: CWE-862