SECURELYN

CVE-2026-108390

Hestia Control Panel is a lightweight and powerful control panel for the modern web. From version 1.9.7 through 1.10.4, update_object_value() in func/main.sh does not escape single quotes when writing a custom document-root value to a user's web.conf file, allowing a low-privileged authenticated panel user with a web domain to inject an additional PATH field. When the user invokes the ordinary Search feature, the root-privileged v-search-user-object script loads the forged field through parse_object_kv_list_non_eval(), which permits reserved shell-variable names and globally replaces PATH bef…

Scores

9.9
CVSS 9.9 out of 10, critical severity.
0.7%
EPSS 0.7% chance of exploitation in the next 30 days.

The facts

Published
14 October 2026
Last changed
16 October 2026
NVD status
Deferred
Severity
Critical, CVSS 9.9 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.7% chance of exploitation activity in the next 30 days (percentile 51).

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References