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CVE-2026-40075— OpenMRS Core arbitrary file read via path traversal in ModuleResourcesServlet

Quick assessment

Affected
openmrs openmrs-core
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.

openmrs-core是OpenMRS开源的一款电子病历系统。 openmrs-core存在路径遍历漏洞，该漏洞源于ModuleResourcesServlet的getFile方法未进行路径边界验证，可能导致未经身份验证的攻击者遍历目录并读取任意文件。以下版本受到影响：2.7.8及之前版本和2.8.0版本至2.8.5版本。

AI Predicted 9.8 Difficulty: Easy EPSS 0.72% · P53

Affected Version Matrix 2

VendorProduct Version RangeStatus
openmrs openmrs-core <= 2.7.8 affected
>= 2.8.0, <= 2.8.5 affected
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I. Basic Information for CVE-2026-40075

Vulnerability Information
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Vulnerability Title
OpenMRS Core arbitrary file read via path traversal in ModuleResourcesServlet
Source: CVE Program / CVE List V5
Vulnerability Description
OpenMRS Core is an open source electronic medical record system platform. In versions 2.7.8 and earlier and versions 2.8.0 through 2.8.5, the `/openmrs/moduleResources/{moduleid}` endpoint is vulnerable to a path traversal attack. The ModuleResourcesServlet constructs a filesystem path from user-controlled input without performing path boundary validation — the getFile() method concatenates the user-supplied path into an absolute filesystem path without calling normalize() or checking that the result stays within the allowed module resources directory. Because this endpoint serves static resources required for rendering the login page, it is not protected by authentication filters, allowing unauthenticated exploitation. An attacker can traverse directories and read arbitrary files from the server filesystem, including /etc/passwd and application configuration files containing database credentials. Successful exploitation requires the target deployment to run on Apache Tomcat versions prior to 8.5.31, where the ..; path parameter bypass is not mitigated by the container. Deployments on Tomcat 8.5.31 or later and Tomcat 9.0.10 or later are protected at the container level, though the underlying code defect remains. This issue has been fixed in versions after 2.7.8 (within the 2.7.x branch) and in version 2.8.6 and later.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
openmrs-core 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openmrs-core是OpenMRS开源的一款电子病历系统。 openmrs-core存在路径遍历漏洞，该漏洞源于ModuleResourcesServlet的getFile方法未进行路径边界验证，可能导致未经身份验证的攻击者遍历目录并读取任意文件。以下版本受到影响：2.7.8及之前版本和2.8.0版本至2.8.5版本。
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
openmrs openmrs-core <= 2.7.8 -

II. Public POCs for CVE-2026-40075

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III. Intelligence Information for CVE-2026-40075

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Vendor Advisories for CVE-2026-40075 (1)

IV. Related Vulnerabilities

Same product: openmrs-core
Same vendor: openmrs
Same weakness: CWE-22

V. Comments for CVE-2026-40075

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