Vulnerability · Published Jun 12, 2026 · Assigned by GitHub_M

CVE-2026-44168MariaDB: wsrep SST unsafe parameter handling on the donor side

High 8.0

In plain English

A high-severity OS command injection in server from MariaDB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.6%top 51.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8Judy1.0.5-18.module_el8.10.0+3794+c6a66d65ALSA-2026:33464
AlmaLinux:8Judy1.0.5-18.module_el8.10.0+3955+6534edafALSA-2026:33464
AlmaLinux:10galera26.4.27-1.el10_2ALSA-2026:33412
AlmaLinux:8galera26.4.27-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9galera26.4.27-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9galera26.4.27-1.module_el9.8.0+315+b08bed7eALSA-2026:33482
AlmaLinux:9galera26.4.27-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:10mariadb-backup3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-backup3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-backup3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-backup3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-backup3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-client-utils3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:9mariadb-client-utils3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-common3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-common3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-common3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-common3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-common3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb-devel3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-devel3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-devel3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-devel3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-devel3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-embedded3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-embedded3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-embedded3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-embedded3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-embedded3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-embedded-devel3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-embedded-devel3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-embedded-devel3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-embedded-devel3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-embedded-devel3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb-errmsg3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-errmsg3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-errmsg3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-errmsg3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-gssapi-server3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-gssapi-server3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-gssapi-server3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-gssapi-server3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-gssapi-server3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb-oqgraph-engine3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-oqgraph-engine3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-oqgraph-engine3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-oqgraph-engine3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-oqgraph-engine3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:10mariadb-pam3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-pam3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-pam3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-pam3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-pam3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb-server3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-server3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-server3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-server3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-server-galera3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-server-galera3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-server-galera3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-server-galera3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-server-galera3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:10mariadb-server-utils3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-server-utils3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-server-utils3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:9mariadb-server-utils3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-server-utils3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:10mariadb-test3:10.11.18-1.el10_2.alma.1ALSA-2026:33093
AlmaLinux:8mariadb-test3:10.11.18-1.module_el8.10.0+4207+a44b0e1eALSA-2026:33464
AlmaLinux:9mariadb-test3:11.8.8-1.module_el9.8.0+274+ad8c02e7ALSA-2026:33481
AlmaLinux:9mariadb-test3:10.11.18-1.module_el9.8.0+315+b08bed7e.alma.1ALSA-2026:33482
AlmaLinux:9mariadb-test3:10.11.18-1.module_el9.8.0+275+ff40c56fALSA-2026:33482
AlmaLinux:10mariadb11.83:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-backup3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-client-utils3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-common3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-devel3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-embedded3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-embedded-devel3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-errmsg3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-gssapi-server3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-oqgraph-engine3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-pam3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-server3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-server-galera3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-server-utils3:11.8.8-1.el10_2ALSA-2026:33412
AlmaLinux:10mariadb11.8-test3:11.8.8-1.el10_2ALSA-2026:33412
Alpine:v3.20mariadb10.11.17-r0ALPINE-CVE-2026-44168
Alpine:v3.21mariadb11.4.11-r0ALPINE-CVE-2026-44168
Alpine:v3.22mariadb11.4.11-r0ALPINE-CVE-2026-44168
Alpine:v3.23mariadb11.4.11-r0ALPINE-CVE-2026-44168
Alpine:v3.24mariadb11.8.7-r0ALPINE-CVE-2026-44168
Debian:12mariadb1:10.11.18-0+deb12u1DEBIAN-CVE-2026-44168
Debian:13mariadbno fix listedDEBIAN-CVE-2026-44168
Debian:14mariadb1:11.8.8-1DEBIAN-CVE-2026-44168
Rocky Linux:10galera0:26.4.27-1.el10_2RLSA-2026:33412
Rocky Linux:9galera0:26.4.27-1.module+el9.8.0+40229+87be66a2RLSA-2026:33482
Rocky Linux:9galera0:26.4.27-1.module+el9.8.0+40229+87be66a2RLSA-2026:33481
Rocky Linux:9galera0:26.4.27-1.module+el9.8.0+40232+a354f53aRLSA-2026:33481
Rocky Linux:9galera0:26.4.27-1.module+el9.8.0+40232+a354f53aRLSA-2026:33482
Rocky Linux:9mariadb3:10.11.18-1.module+el9.8.0+40232+a354f53aRLSA-2026:33482
Rocky Linux:9mariadb3:11.8.8-1.module+el9.8.0+40229+87be66a2RLSA-2026:33481
Rocky Linux:10mariadb10.113:10.11.18-1.el10_2RLSA-2026:33093
Ubuntu:24.04:LTSmariadbno fix listedUBUNTU-CVE-2026-44168
Ubuntu:25.10mariadbno fix listedUBUNTU-CVE-2026-44168
Ubuntu:26.04:LTSmariadb1:11.8.6-5ubuntu0.1UBUNTU-CVE-2026-44168
Ubuntu:22.04:LTSmariadb-10.6no fix listedUBUNTU-CVE-2026-44168

Affected products (as reported)

VendorProductVersions
MariaDB server >= 10.6.1, < 10.6.26>= 10.11.1, < 10.11.17>= 11.4.1, < 11.4.11>= 11.8.1, < 11.8.7>= 12.3.1, < 12.3.2

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References