Link following in Froxlor - CVE-2026-100715
Published: September 7, 2026 / Updated: September 28, 2026
Vulnerability identifier: #VU147274
CSH Severity: Medium
CVSS v4: 6.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-100715
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to delete arbitrary directory trees.
The vulnerability exists due to improper link resolution before file access in the deleteFtpData cron task when processing a deletion task for an FTP account. A remote user can place a symlink in an FTP home directory to delete arbitrary directory trees.
The symlink must be planted after task creation and before cron execution.
Affected software
Froxlor
How to mitigate CVE-2026-100715
Install security update from vendor's website.
Froxlor - update to 2.3.12