CVE-2025-53826
Last modified
CVE-2025-53826 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Filebrowser | Filebrowser | 2.39.0 |
References
- https://github.com/filebrowser/filebrowser/issues/5216Issue Tracking
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7Exploit, Vendor Advisory
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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