filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
History

Fri, 14 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 14 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*

Thu, 13 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Filebrowser
Filebrowser filebrowser
Vendors & Products Filebrowser
Filebrowser filebrowser

Thu, 13 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Description filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
Title filebrowser through 2.63.16 Privilege Escalation via Signup
Weaknesses CWE-266
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-14T16:52:19.479Z

Reserved: 2026-08-10T15:13:41.486Z

Link: CVE-2026-72839

cve-icon Vulnrichment

Updated: 2026-08-14T16:15:18.461Z

cve-icon NVD

Status : Received

Published: 2026-08-13T22:17:23.490

Modified: 2026-08-14T17:20:31.147

Link: CVE-2026-72839

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T01:15:17Z