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CVE-2026-103939— OpenEMR: Weno `file_download.php`: missing ACL/CSRF truncates the e-prescribing pharmacy directory

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与医疗诊所管理应用。在 8.3.0 版本之前，其路径 中未实施访问控制列表（ACL）或跨站请求伪造（CSRF）检查，并忽略了 函数的验证结果。当启用 Weno 模块时，默认的 GET 请求路径会在尝试重新获取数据之前调用 方法，这导致任何已认证用户均可清空 表，并可通过跨站请求（CSRF）利用已登录受害者的会话触发相同操作。若后续下载失败，可能导致电子处方药房目录为空且无法使用。该问题已在 8.3.0 版本中修复。

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-103939

Vulnerability Information
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Vulnerability Title
OpenEMR: Weno `file_download.php`: missing ACL/CSRF truncates the e-prescribing pharmacy directory
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, interface/modules/custom_modules/oe-module-weno/scripts/file_download.php has no ACL or CSRF check and ignores the result of validateAdminCredentials(). When the Weno module is enabled, the default GET path calls PharmacyService::removeWenoPharmacies() before attempting a refetch, allowing any authenticated user to truncate the weno_pharmacy table and allowing a cross-site request to trigger the same operation through a logged-in victim. A failed later download can leave the e-prescribing pharmacy directory empty and unavailable. 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:N/I:L/A:L
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-2026-103939

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III. Intelligence Information for CVE-2026-103939

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Patches & Fixes for CVE-2026-103939 (1)

Vendor Pages for CVE-2026-103939 (1)

Other References for CVE-2026-103939 (2)

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-2026-115573 8.1 HIGH OpenEMR: Broken Access Control in controller.php Enables Insurance Routing Credential Hija
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-2026-103021 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