CVE-2025-53826 PUBLISHED

FileBrowser Has Insecure JWT Handling Which Allows Session Replay Attacks after Logout

Assigner: GitHub_M
Reserved: 09.07.2025 Published: 15.07.2025 Updated: 15.07.2025

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 7.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	filebrowser
Product	filebrowser
Versions	Version = 2.39.0 is affected

References

Problem Types

CWE-305: Authentication Bypass by Primary Weakness CWE
CWE-385: Covert Timing Channel CWE
CWE-613: Insufficient Session Expiration CWE