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.
Metrics
Affected Vendors & Products
References
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
|
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
|
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
Updated: 2026-04-02T14:02:25.797Z
Status : Analyzed
Published: 2026-04-01T21:17:00.660
Modified: 2026-04-06T20:41:19.900
Link: CVE-2026-34528
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