CVE-2026-54096
File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path
Description
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, `POST /api/share/<path>` accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target file currently exists. Later, when a file is created at that same path, the previously created public share immediately becomes valid and exposes the new file through `GET /api/public/dl/<hash>`. This vulnerability is fixed in 2.63.7.
INFO
Published Date :
June 25, 2026, 5:35 p.m.
Last Modified :
June 25, 2026, 5:35 p.m.
Remotely Exploit :
No
Source :
GitHub_M
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update File Browser to version 2.63.7.
- Review existing share configurations for exposed files.
- Remove any unnecessary or unauthorized public shares.
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