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CVE-2026-33304— OpenEMR has Authorization Bypass in Dated Reminders Log

CVSS 6.5 · Medium EPSS 0.09% · P25
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I. Basic Information for CVE-2026-33304

Vulnerability Information
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Vulnerability Title
OpenEMR has Authorization Bypass in Dated Reminders Log
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, an authorization bypass in the dated reminders log allows any authenticated non-admin user to view reminder messages belonging to other users, including associated patient names and free-text message content, by crafting a GET request with arbitrary user IDs in the `sentTo[]` or `sentBy[]` parameters. Version 8.0.0.2 fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenEMR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenEMR是OpenEMR社区的一套开源的医疗管理系统。该系统可用于医疗实践管理、电子医疗记录、处方书写和医疗帐单申请。 OpenEMR 8.0.0.2之前版本存在安全漏洞，该漏洞源于授权绕过，可能导致任何经过身份验证的非管理员用户通过构造包含任意用户ID的GET请求，查看其他用户的提醒消息。
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

VendorProductAffected VersionsCPESubscribe
openemropenemr < 8.0.0.2 -

II. Public POCs for CVE-2026-33304

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III. Intelligence Information for CVE-2026-33304

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Same Patch Batch · openemr · 2026-03-19 · 12 CVEs total

CVE-2026-322389.1 CRITICALOpenEMR has Remote Code Execution in backup functionality
CVE-2026-333468.7 HIGHOpenEMR has stored XSS in portal_payment.php via Unescaped table_args
CVE-2026-259286.5 MEDIUMOpenEMR Vulnerable to Path Traversal When Zipping DICOM Folders
CVE-2026-257446.5 MEDIUMOpenEMR: POST /api/.../vital Accepts Attacker-Supplied id and Overwrites Arbitrary Vitals
CVE-2026-333055.4 MEDIUMOpenEMR has Authorization Bypass in FaxSMS AppDispatch Constructor
CVE-2026-333035.4 MEDIUMOpenEMR Vulnerable to Stored XSS via Unescaped portal_login_username in Credential Print V
CVE-2026-321194.4 MEDIUMOpenEMR has Stored DOM XSS via SearchHighlight text-node reconstruction on Custom Report p
CVE-2026-33301OpenEMR has arbitrary image file read via PDF generator
CVE-2026-33321OpenEMR has Out-of-Band Server-Side Request Forgery (OOB SSRF)
CVE-2026-33299OpenEMR has Stored XSS in patient encounter Eye Exam form answers
CVE-2026-33302OpenEMR: zhAclCheck Ignores Explicit ACL Denies

IV. Related Vulnerabilities

Same product: openemr
Same vendor: openemr
Same weakness: CWE-639

V. Comments for CVE-2026-33304

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