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

Quick assessment

Affected
MariaDB server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 8.0 · High EPSS 1.60% · P75

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 5

VendorProduct Version RangeStatus
MariaDB server >= 10.6.1, < 10.6.27 affected
>= 10.11.1, < 10.11.18 affected
>= 11.4.1, < 11.4.12 affected
>= 11.8.1, < 11.8.8 affected
>= 12.3.1, < 12.3.2 affected
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
MariaDB server >= 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-2026-48163 8.0 HIGH MariaDB: wsrep SST unsafe parameter handling on the donor side (rsync)
CVE-2026-44168 8.0 HIGH MariaDB: wsrep SST unsafe parameter handling on the donor side
CVE-2026-44172 6.9 MEDIUM MariaDB: mysql_real_escape_string() incorrectly handled big5
CVE-2026-44171 6.3 MEDIUM MariaDB: path traversal in mbstream
CVE-2026-44170 6.3 MEDIUM MariaDB: Argument injection in CONNECT REST Xcurl on Windows via unsanitized URL
CVE-2026-44173 5.0 MEDIUM MariaDB: FILE privilege was not checked for subqueries in the FROM clause
CVE-2026-44169 4.3 MEDIUM MariaDB: Authorization bypass in role-based routine-level privilege check exposes stored r

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-48165

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