yangzongzhuan RuoYi-Vue up to 3.9.2 Common Download Endpoint CommonController.java fileDownload/resourceDownload fileName/resource path traversal

Summaryinfo

A vulnerability was found in yangzongzhuan RuoYi-Vue up to 3.9.2 and classified as problematic. Affected is the function fileDownload/resourceDownload of the file ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java of the component Common Download Endpoint. Executing a manipulation of the argument fileName/resource can lead to path traversal. This vulnerability is registered as CVE-2026-76576. It is possible to launch the attack remotely. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic was found in yangzongzhuan RuoYi-Vue up to 3.9.2. This vulnerability affects the function fileDownload/resourceDownload of the file ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java of the component Common Download Endpoint. The manipulation of the argument fileName/resource with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-76576. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• yangzongzhuan

Name

• RuoYi-Vue

Version

• 3.9.0
• 3.9.1
• 3.9.2

Website

• Product: https://github.com/yangzongzhuan/RuoYi-Vue/

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Accepted

• Submit #877790: yangzongzhuan RuoYi-Vue <=3.9.2 Path Traversal (by Ana10gy)

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