CVE-2026-44170

mariadb: Arbitrary shell command execution via improper sanitization in CONNECT engine

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Severity

Important

Red Hat Product Security

9.9

CVSS 3.1

Review impact separately from score.

Published · June 13, 2026

Updated · August 3, 2026

Description

A flaw was found in MariaDB server. When the CONNECT engine is installed and REST support is enabled on Windows, a user can exploit improper sanitization of the table HTTP attribute. This attribute is interpolated into the curl command line, allowing for arbitrary shell command execution on the server.

Statement

Important: This flaw in the MariaDB CONNECT engine, which permits arbitrary shell command execution, is specific to MariaDB installations on Windows with REST support enabled. Red Hat's MariaDB deployments on Linux are not directly affected by this particular vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')