Bug 2488458 (CVE-2026-48165) - CVE-2026-48165 mariadb: Arbitrary code execution via global system variable manipulation by a high-privileged user
Summary: CVE-2026-48165 mariadb: Arbitrary code execution via global system variable m...
Keywords:
Status: NEW
Alias: CVE-2026-48165
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2494791 2494793
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-12 18:01 UTC by OSIDB Bzimport
Modified: 2026-08-03 03:42 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:49522 0 None None None 2026-08-03 03:42:01 UTC

Description OSIDB Bzimport 2026-06-12 18:01:51 UTC 
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, a high-privileged MariaDB user could've used wsrep_sst_receive_address or wsrep_sst_donor global system variables to execute shell commands as the uid of the mariadbd process on the galera joiner node. This issue has been patched in versions 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2.
Comment 2 errata-xmlrpc 2026-08-03 03:42:00 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:49522 https://access.redhat.com/errata/RHSA-2026:49522
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