File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the signupHandler in File Browser applies default user permissions via d.settings.Defaults.Apply(user), then strips only Admin. The Execute permission and Commands list from the default user template are not stripped. When an administrator has enabled signup, server-side execution, and set Execute=true in the default user template, any unauthenticated user who self-registers inherits shell execution capabilities and can run arbitrary commands on the server. This issue has been patched in version 2.62.2.
History

Tue, 07 Apr 2026 00:00:00 +0000

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

Thu, 02 Apr 2026 20:30:00 +0000

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

Thu, 02 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 01 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
Description File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the signupHandler in File Browser applies default user permissions via d.settings.Defaults.Apply(user), then strips only Admin. The Execute permission and Commands list from the default user template are not stripped. When an administrator has enabled signup, server-side execution, and set Execute=true in the default user template, any unauthenticated user who self-registers inherits shell execution capabilities and can run arbitrary commands on the server. This issue has been patched in version 2.62.2.
Title File Browser's Signup Grants Execution Permissions When Default Permissions Includes Execution
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-04-01T20:39:32.013Z

Updated: 2026-04-02T14:02:45.546Z

Reserved: 2026-03-30T16:03:31.048Z

Link: CVE-2026-34528

cve-icon Vulnrichment

Updated: 2026-04-02T14:02:25.797Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-01T21:17:00.660

Modified: 2026-04-06T20:41:19.900

Link: CVE-2026-34528

cve-icon Redhat

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