Incorrect authorization in MariaDB - CVE-2026-44173
Published: May 19, 2026
Vulnerability identifier: #VU131783
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-44173
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to incorrect authorization in SELECT ... INTO OUTFILE and SELECT ... INTO DUMPFILE handling when processing queries whose FROM clause contains only subqueries. A remote user can execute a crafted query to cause a denial of service.
The issue occurs because the FILE privilege is not verified in this query pattern.
Affected software
MariaDB
How to mitigate CVE-2026-44173
Install security update from vendor's website.
MariaDB - addressed in versions 10.6.26, 10.8.1, 10.9.1, 10.10.1, 10.11.1, 10.11.17, 11.1.1, 11.2.1, 11.3.0, 11.4.0, 11.4.11, 11.6.0, 11.7.0, 11.8.0, 11.8.7, 12.1.1, 12.2.1, 12.3.1, 12.3.2