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CVE-2026-33329— FileRise: Path Traversal in `resumableIdentifier` Leading to Arbitrary File Write, Recursive Directory Deletion, and Limited Existence Oracle

Quick assessment

Affected
error311 FileRise
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.

FileRise是Ryan个人开发者的一个轻量级、自托管的基于web的文件管理器。 FileRise 1.0.1至3.10.0之前版本存在安全漏洞，该漏洞源于Resumable.js分块上传处理程序中的resumableIdentifier参数未经清理直接拼接至文件系统路径，可能导致具有上传权限的认证用户向服务器任意目录写入文件、删除任意目录以及探测文件或目录存在。

CVSS 8.1 · High EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1565.002 · Transmitted Data Manipulation
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I. Basic Information for CVE-2026-33329

Vulnerability Information
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Vulnerability Title
FileRise: Path Traversal in `resumableIdentifier` Leading to Arbitrary File Write, Recursive Directory Deletion, and Limited Existence Oracle
Source: CVE Program / CVE List V5
Vulnerability Description
FileRise is a self-hosted web file manager / WebDAV server. From version 1.0.1 to before version 3.10.0, the resumableIdentifier parameter in the Resumable.js chunked upload handler (UploadModel::handleUpload()) is concatenated directly into filesystem paths without any sanitization. An authenticated user with upload permission can exploit this to write files to arbitrary directories on the server, delete arbitrary directories via the post-assembly cleanup, and probe file/directory existence. This issue has been patched in version 3.10.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
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
FileRise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FileRise是Ryan个人开发者的一个轻量级、自托管的基于web的文件管理器。 FileRise 1.0.1至3.10.0之前版本存在安全漏洞，该漏洞源于Resumable.js分块上传处理程序中的resumableIdentifier参数未经清理直接拼接至文件系统路径，可能导致具有上传权限的认证用户向服务器任意目录写入文件、删除任意目录以及探测文件或目录存在。
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
error311 FileRise >= 1.0.1, < 3.10.0 -

II. Public POCs for CVE-2026-33329

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III. Intelligence Information for CVE-2026-33329

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Patches & Fixes for CVE-2026-33329 (1)

Vendor Advisories for CVE-2026-33329 (1)

Proof of Concept for CVE-2026-33329 (1)

IV. Related Vulnerabilities

Same product: FileRise
Same vendor: error311
Same weakness: CWE-22

V. Comments for CVE-2026-33329

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