Medium severity · published Mar 5, 2026
CVE-2026-28492
File Browser: Path Traversal in Public Share Links Exposes Files Outside Shared Directory
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to version 2.61.0, when a user creates a public share link for a directory, the withHashFile middleware in http/public.go uses filepath.Dir(link.Path) to compute the BasePathFs root. This sets the filesystem root to the parent directory instead of the shared directory itself, allowing anyone with the share link to browse and download files from all sibling directories. This issue has been patched in version 2.61.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
filebrowser · filebrowser
< 2.61.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28492
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28492
Patch
https://github.com/filebrowser/filebrowser/commit/31194fb57a5b92e7155219d7ec7273028fcb2e83
Release Notes
https://github.com/filebrowser/filebrowser/releases/tag/v2.61.0
Exploit
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-mr74-928f-rw69
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