Use of Incorrectly-Resolved Name or Reference in FileBrowser - CVE-2026-62685
Published: July 6, 2026
Vulnerability identifier: #VU136930
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62685
CWE-ID: CWE-706
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to read and modify another user's files.
The vulnerability exists due to use of incorrectly-resolved name or reference in home directory scope generation when registering a username that normalizes to an existing user's scope. A remote attacker can register a specially crafted username to read and modify another user's files.
Exploitation requires both self-registration and automatic home-directory creation to be enabled.
Affected software
FileBrowser
How to mitigate CVE-2026-62685
Install security update from vendor's website.
FileBrowser - update to 2.63.17