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Vulnerability record · CVE-2026-44168 · published 12 June 2026

CVE-2026-44168: Mariadb os command injection vulnerability

Mariadb · Mariadb

MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, 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 mariabackup SST method. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.

8.0 CVSS 3.1 High EPSS 0.97% · top 39.6% CWE-78 · OS command injection
8.0CVSS 3.1 base score
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
13References
3 Aug 2026Last modified by NVD

Description

MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, 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 mariabackup SST method. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/MariaDB/server/security/advisories/GHSA-vwf7-w26c-9w5h Third Party Advisory
https://jira.mariadb.org/browse/MDEV-39413 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:25143
https://access.redhat.com/errata/RHSA-2026:25145
https://access.redhat.com/errata/RHSA-2026:33093
https://access.redhat.com/errata/RHSA-2026:33412
https://access.redhat.com/errata/RHSA-2026:33464
https://access.redhat.com/errata/RHSA-2026:33481
https://access.redhat.com/errata/RHSA-2026:33482
https://access.redhat.com/errata/RHSA-2026:49522
https://access.redhat.com/security/cve/CVE-2026-44168
https://bugzilla.redhat.com/show_bug.cgi?id=2488450
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44168.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44168), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.