PT-2026-71902 · Unknown · Filebrowser

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CVE-2026-72839

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Published

2026-08-13

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Updated

2026-08-13

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions filebrowser versions prior to 2.63.17
Description An issue exists when self-signup is enabled using the default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope, granting them full permissions to create, modify, delete, rename, share, and download all files on the server.
Recommendations Update to a version newer than 2.63.16. Disable the self-signup feature or modify the CreateUserDir setting to restrict user scope.

Exploit

Fix

Incorrect Privilege Assignment

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Weakness Enumeration

Related Identifiers

CVE-2026-72839
GHSA-6759-996P-GPJ6

Affected Products

Filebrowser