MariaDB: Insufficient quoting in mariadb-dump and SHOW commands

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What is CVE-2026-86047?

CVE-2026-86047 is a vulnerability classified as Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'), affecting server (affected versions: >= 10.6.1, < 10.6.28, >= 10.11.1, < 10.11.19, and other affected versions). This vulnerability is rated High, with a CVSS score of 7.7. Current sources do not report this vulnerability as exploited.

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Overview

Original source data

MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, SHOW CREATE SERVER, SHOW CREATE USER, and mariadb-dump are affected because each does not consistently quote identifiers and values when serializing SQL. A low-privileged attacker can trigger the issue when an attacker-created object with crafted identifiers or values is included in SHOW output or a dump, then create an object with crafted identifiers or values so generated SQL contains injected statements and execute attacker-injected SQL when the poisoned output is applied. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.

Affected products and scope

The analysis could not be completed. The original vulnerability data remains available below.

Technical details

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Exploitability

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Technical impact

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Business impact

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Remediation

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Detection

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