CVE-2026-85985

mariadb: MariaDB: Unauthorized file access via CONNECT engine functions

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Severity

Moderate

Red Hat Product Security

5.4

CVSS 3.1

Review impact separately from score.

Published · October 17, 2026

Updated · October 20, 2026

Description

A flaw was found in MariaDB. Certain file-access User-Defined Functions (UDFs) within the CONNECT storage engine do not properly enforce user privileges or directory restrictions when handling file system paths. An authenticated, low-privileged database user can exploit this vulnerability to read from or write to unauthorized files on the underlying server, subject to the database process's operating system permissions.

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 · 5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE-552 · Files or Directories Accessible to External Parties