CVE-2021-47871: Hestia Control Panel

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Hestia Control Panel 1.3.2 contains an arbitrary file write vulnerability that allows authenticated attackers to write files to arbitrary locations using the API index.php endpoint. Attackers can exploit the v-make-tmp-file command to write SSH keys or other content to specific file paths on the server.

Affected products

• Hestia Control Panel Hestia Control Panel: version 1.3.3 only

Published 2026-01-21. Last modified 2026-06-17.