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CVE-2026-67611— OpenEMR 8.2.0 OAuth2 Password Grant Authentication Bypass via SMART Configuration

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OpenEMR组织开源的一个支持文档管理与企业应用场景的医疗信息管理平台。 OpenEMR 8.2.0及之前版本存在授权问题漏洞，该漏洞源于暴露的OAuth2密码授权流程和未认证的客户端注册端点，可能导致具有有效凭据的攻击者绕过多因素认证，注册OAuth2客户端并使用密码授权交换API访问令牌，从而绕过正常的Web界面认证和多因素认证控制。

CVSS 8.1 · High EPSS 0.78% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
openemr openemr ≤ 8.2.0 affected
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I. Basic Information for CVE-2026-67611

Vulnerability Information
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Vulnerability Title
OpenEMR 8.2.0 OAuth2 Password Grant Authentication Bypass via SMART Configuration
Source: CVE Program / CVE List V5
Vulnerability Description
OpenEMR through 8.2.0 contains an authentication bypass vulnerability that allows attackers with valid credentials to circumvent multi-factor authentication by exploiting the exposed OAuth2 password grant flow through an unauthenticated client registration endpoint. Attackers can register an OAuth2 client via the unauthenticated registration endpoint and use the password grant to exchange credentials for an API access token, bypassing the normal web interface authentication and any enforced multi-factor authentication controls.
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
使用单一因素认证机制
Source: CVE Program / CVE List V5
Vulnerability Title
OpenEMR 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openemr是OpenEMR组织开源的一个支持文档管理与企业应用场景的医疗信息管理平台。 OpenEMR 8.2.0及之前版本存在授权问题漏洞，该漏洞源于暴露的OAuth2密码授权流程和未认证的客户端注册端点，可能导致具有有效凭据的攻击者绕过多因素认证，注册OAuth2客户端并使用密码授权交换API访问令牌，从而绕过正常的Web界面认证和多因素认证控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openemr openemr 0 ~ 8.2.0 -

II. Public POCs for CVE-2026-67611

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III. Intelligence Information for CVE-2026-67611

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Vendor Advisories for CVE-2026-67611 (1)

Security Blog Posts for CVE-2026-67611 (1)

Same Patch Batch · openemr · 2026-08-03 · 5 CVEs total

CVE-2026-39932 9.1 CRITICAL OpenEMR 8.2.0 Remote Code Execution via CategoryTree eval() Injection
CVE-2026-67610 8.1 HIGH OpenEMR 8.2.0 OAuth2 Dynamic Client Registration Unauthorized FHIR Access
CVE-2026-39931 7.2 HIGH OpenEMR Authenticated SQL Injection via backup.php Import Feature
CVE-2026-67612 4.8 MEDIUM OpenEMR 8.2.0 Stored XSS via import_template.php Template Management

IV. Related Vulnerabilities

Same product: openemr
Same vendor: openemr
Same weakness: CWE-308

V. Comments for CVE-2026-67611

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