Improper access control in FileBrowser - CVE-2026-54096
Published: June 8, 2026
Vulnerability identifier: #VU133484
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-54096
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the public share creation and resolution logic when creating a public share for a nonexistent path. A remote user can create a public share for a path before a file exists there to disclose sensitive information.
The share is bound only to a path string and becomes valid later if a file is subsequently created at that path.
Affected software
FileBrowser
How to mitigate CVE-2026-54096
Install security update from vendor's website.
FileBrowser - update to 2.63.7