CVE-2025-53826

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

State: Published
Severity: 7.7 High
Published: Jul 15, 2025
Updated: Jul 15, 2025
Reserved: Jul 9, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	7.7 High	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	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
filebrowserfilebrowser	= 2.39.0Affected

References

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