CVE-2025-64523CWE-285CWE-639

CVE-2025-64523

High · published November 13, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
39.0
In the wild
Unconfirmed
What it is

⚡ An authenticated user can delete shared links like a toddler throwing a tantrum in a toy store — just because they can! Imagine a shared project where one team member has the power to knock over the Lego creation everyone has built. That's exactly what this Insecure Direct Object Reference (IDOR) vulnerability allows — any user with access can delete links crucial for collaboration, causing chaos! This vulnerability could lead to absolutely devastating effects for organizations, as malicious users can systematically remove shared files and disrupt business operations. Legitimate users may find themselves locked out of important documents, leading to denial of service and potentially serious breaches of confidentiality agreements. The disruption could ripple through project timelines, presentations, or any collaborative efforts!

Put simply

Imagine a shared project where one team member has the power to knock over the Lego creation everyone has built. That's exactly what this Insecure Direct Object Reference (IDOR) vulnerability allows — any user with access can delete links crucial for collaboration, causing chaos! The IDOR vulnerability in versions prior to 2.45.1 of File Browser allows users to delete shared links without proper authorization checks, meaning they can manipulate shared resources at will. This flaw can be exploited by any authenticated user who has share permissions.

What to do

This vulnerability could lead to absolutely devastating effects for organizations, as malicious users can systematically remove shared files and disrupt business operations. Legitimate users may find themselves locked out of important documents, leading to denial of service and potentially serious breaches of confidentiality agreements. The disruption could ripple through project timelines, presentations, or any collaborative efforts! To secure your setup, upgrade to version 2.45.1 or later immediately. Additionally, review user permissions to ensure that only trusted individuals have access to delete shared files. It's crucial to implement tighter checks for user actions moving forward! You've got this! By taking these steps, you can protect your file-sharing environment and ensure smooth collaboration! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00461 · 39.0th percentile
Weaknesses
CWE-285 · Improper Authorization; CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2025-11-13T04:15Z
Affected products (1)
ProductVersionsFixed in
filebrowser/filebrowser< 2.45.12.45.1
References (3)
EPSS history
Timeline
  • 12 NOV 22:11Z
    FileBrowser has Insecure Direct Object Reference (IDOR) in Share Deletion Function
    cvelistv5