Remote Code Execution Vulnerability in MariaDB Server by MariaDB Foundation
CVE-2026-48165

8HIGH

Key Information:

Vendor

Mariadb

Status
Server
Vendor
CVE Published:
12 June 2026

What is CVE-2026-48165?

A high-privileged user in MariaDB server may exploit the 'wsrep_sst_receive_address' or 'wsrep_sst_donor' global system variables to execute arbitrary shell commands under the uid of the mariadbd process on a Galera joiner node. This vulnerability affects various versions of MariaDB and has been addressed in subsequent updates to ensure system integrity and security.

Affected Version(s)

server >= 10.6.1, < 10.6.27 < 10.6.1, 10.6.27

server >= 10.11.1, < 10.11.18 < 10.11.1, 10.11.18

server >= 11.4.1, < 11.4.12 < 11.4.1, 11.4.12

References

https://github.com/MariaDB/server/security/advisories/GHS...
x_refsource_CONFIRM
https://jira.mariadb.org/browse/MDEV-39676
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.