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CVE-2026-48165— MariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner side

CVSS 8.0 · High EPSS 0.45% · P36

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 5

VendorProductVersion RangeStatus
MariaDBserver>= 10.6.1, < 10.6.27affected
>= 10.11.1, < 10.11.18affected
>= 11.4.1, < 11.4.12affected
>= 11.8.1, < 11.8.8affected
>= 12.3.1, < 12.3.2affected
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I. Basic Information for CVE-2026-48165

Vulnerability Information
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Vulnerability Title
MariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner 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 10.6.27, 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.
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，该漏洞源于高权限MariaDB用户可使用wsrep_sst_receive_address或wsrep_sst_donor全局系统变量，在galera joiner节点上以mariadbd进程UID执行shell命令。以下版本受到影响：10.6.1至10.6.27之前版本、10.11.1至10.11.18之前版本、11.4.1至11.4.12之前版本、11.8.1至11.8.8之前
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, < 10.6.27 -

II. Public POCs for CVE-2026-48165

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III. Intelligence Information for CVE-2026-48165

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Vendor Advisories for CVE-2026-48165 (2)

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

CVE-2026-481638.0 HIGHMariaDB: wsrep SST unsafe parameter handling on the donor side (rsync)
CVE-2026-441688.0 HIGHMariaDB: wsrep SST unsafe parameter handling on the donor side
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-2026-48165

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