CVE-2026-48163NVD

Vulnerability Summary

MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.27, 10.11.1 to before 10.11.18, 11.4.1 to before 11.4.12, 11.8.1 to before 11.8.8, and 12.3.1, during the SST the donor node is interpolating parameters that the joiner sent into the command line. Not all parameters were properly validated which could allow a malicious joiner to execute arbitrary shell commands on the donor side via the rsync SST method. This issue has been patched in versions 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2.

Severity Level

HIGH(8.0)

Published Date

Jun 12, 2026

Last Modified

Aug 3, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.91%Probability

Root Weakness (CWE)

CWE-78: OS Command Injection ↗

The software constructs all or part of an OS command using externally-influenced input, but does not properly neutralize special elements.

CVSS v3.1 Base Metrics — Score 8.0 (HIGH)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Mariadb Mariadb >= 10.6.1 and < 10.6.27
Mariadb Mariadb >= 10.11.1 and < 10.11.18
Mariadb Mariadb >= 11.4.1 and < 11.4.12
Mariadb Mariadb >= 11.8.1 and < 11.8.8
Mariadb Mariadb

Patched Versions

Mariadb Mariadb 10.6.27
Mariadb Mariadb 10.11.18
Mariadb Mariadb 11.4.12
Mariadb Mariadb 11.8.8

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