filebrowser 2.39.0 authentication bypass

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in filebrowser 2.39.0. It has been rated as problematic. This impacts an unknown function. This manipulation causes authentication bypass. This vulnerability is registered as CVE-2025-53826. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in filebrowser 2.39.0 and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a authentication bypass vulnerability. The CWE definition for the vulnerability is CWE-305. The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. As an impact it is known to affect integrity. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-53826 since 07/09/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-305 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/09/2025 CVE reserved
07/15/2025 +6 days Advisory disclosed
07/15/2025 +0 days VulDB entry created
08/05/2025 +21 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 5216
Status: Confirmed

CVE: CVE-2025-53826 (🔒)
GCVE (CVE): GCVE-0-2025-53826
GCVE (VulDB): GCVE-100-316435

Entryinfo

Created: 07/15/2025 20:52
Updated: 08/05/2025 22:04
Changes: 07/15/2025 20:52 (63), 08/05/2025 22:04 (13)
Complete: 🔍
Cache ID: 216::103

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