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

CVSS 8.0 · High EPSS 0.58% · P43

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 5

VendorProductVersion RangeStatus
MariaDBserver>= 10.6.1, < 10.6.26affected
>= 10.11.1, < 10.11.17affected
>= 11.4.1, < 11.4.11affected
>= 11.8.1, < 11.8.7affected
>= 12.3.1, < 12.3.2affected
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I. Basic Information for CVE-2026-44168

Vulnerability Information
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Vulnerability Title
MariaDB: wsrep SST unsafe parameter handling on the donor side
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MariaDB Server 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MariaDB Server是MariaDB基金会开源的一个关系型数据库系统。 MariaDB Server存在命令注入漏洞，该漏洞源于在SST过程中捐赠节点对加入者发送的参数插值未进行充分验证，可能导致恶意加入者通过mariabackup SST方法在捐赠侧执行任意shell命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MariaDBserver >= 10.6.1, < 10.6.26 -

II. Public POCs for CVE-2026-44168

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III. Intelligence Information for CVE-2026-44168

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Vendor Advisories for CVE-2026-44168 (2)

Same Patch Batch · MariaDB · 2026-06-12 · 8 CVEs total

CVE-2026-481658.0 HIGHMariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner side
CVE-2026-481638.0 HIGHMariaDB: wsrep SST unsafe parameter handling on the donor side (rsync)
CVE-2026-441716.3 MEDIUMMariaDB: path traversal in mbstream
CVE-2026-441735.0 MEDIUMMariaDB: FILE privilege was not checked for subqueries in the FROM clause
CVE-2026-441694.3 MEDIUMMariaDB: Authorization bypass in role-based routine-level privilege check exposes stored r
CVE-2026-44170MariaDB: Argument injection in CONNECT REST Xcurl on Windows via unsanitized URL
CVE-2026-44172MariaDB: mysql_real_escape_string() incorrectly handled big5

IV. Related Vulnerabilities

Same product: server
Same vendor: MariaDB
Same weakness: CWE-78

V. Comments for CVE-2026-44168

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