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OpenAdvisories
High · 8.4 CVE-2026-54096 EUVD-2026-39502GHSA-3q2p-72cj-682cGO-2026-5096

File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path

Published Jun 25, 2026 · Updated Jun 25, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
filebrowser filebrowser < 2.63.7 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

Advisories 1

References