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CVE-2026-29188— File Browser: TUS Delete Endpoint Bypasses Delete Permission Check

Quick assessment

Affected
filebrowser filebrowser
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.

File Browser是File Browser开源的一个文件管理界面，在指定的目录，它可以用来上传，删除，预览和编辑文件。 File Browser 2.61.1之前版本存在安全漏洞，该漏洞源于TUS协议DELETE端点访问控制不当，可能导致具有创建权限的用户删除任意文件和目录。

CVSS 9.1 · Critical EPSS 0.61% · P47

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-29188

Vulnerability Information
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Vulnerability Title
File Browser: TUS Delete Endpoint Bypasses Delete Permission Check
Source: CVE Program / CVE List V5
Vulnerability Description
File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to version 2.61.1, a broken access control vulnerability in the TUS protocol DELETE endpoint allows authenticated users with only Create permission to delete arbitrary files and directories within their scope, bypassing the intended Delete permission restriction. Any multi-user deployment where administrators explicitly restrict file deletion for certain users is affected. This issue has been patched in version 2.61.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
File Browser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
File Browser是File Browser开源的一个文件管理界面，在指定的目录，它可以用来上传，删除，预览和编辑文件。 File Browser 2.61.1之前版本存在安全漏洞，该漏洞源于TUS协议DELETE端点访问控制不当，可能导致具有创建权限的用户删除任意文件和目录。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
filebrowser filebrowser < 2.61.1 -

II. Public POCs for CVE-2026-29188

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III. Intelligence Information for CVE-2026-29188

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Patches & Fixes for CVE-2026-29188 (1)

Vendor Advisories for CVE-2026-29188 (1)

Vendor Pages for CVE-2026-29188 (1)

IV. Related Vulnerabilities

Same product: filebrowser
Same vendor: filebrowser
Same weakness: CWE-732

V. Comments for CVE-2026-29188

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