9.8
CRITICAL CVSS 3.1
CVE-2025-53826
Apache File Browser JWT Token Authentication Bypass
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. In version 2.39.0, File Browser’s authentication system issues long-lived JWT tokens that remain valid even after the user logs out. As of time of publication, no known patches exist.

INFO

Published Date :

July 15, 2025, 6:15 p.m.

Last Modified :

Aug. 5, 2025, 6:26 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-53826 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Filebrowser filebrowser
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Address JWT token lifecycle issues to prevent unauthorized access after logout.
  • Implement robust JWT token invalidation on logout.
  • Review and strengthen session management mechanisms.
  • Consider shorter token expiration times.
  • Monitor for unauthorized access attempts.
Public PoC/Exploit Available at Github

CVE-2025-53826 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-53826.

URL Resource
https://github.com/filebrowser/filebrowser/issues/5216 Issue Tracking
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7 Exploit Vendor Advisory
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7 Exploit Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-53826 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-53826 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 1 month, 1 week ago
0 stars 1 fork 1 watcher
Born at : Feb. 7, 2021, 8:15 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-53826 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-53826 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 05, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:filebrowser:filebrowser:2.39.0:*:*:*:*:*:*:*
    Added Reference Type GitHub, Inc.: https://github.com/filebrowser/filebrowser/issues/5216 Types: Issue Tracking
    Added Reference Type CISA-ADP: https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7 Types: Exploit, Vendor Advisory
    Added Reference Type GitHub, Inc.: https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7 Types: Exploit, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 15, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7
  • New CVE Received by [email protected]

    Jul. 15, 2025

    Action Type Old Value New Value
    Added 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. In version 2.39.0, File Browser’s authentication system issues long-lived JWT tokens that remain valid even after the user logs out. As of time of publication, no known patches exist.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-613
    Added CWE CWE-305
    Added CWE CWE-385
    Added Reference https://github.com/filebrowser/filebrowser/issues/5216
    Added Reference https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.7
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact