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CVE-2026-86047

MariaDB: Insufficient quoting in mariadb-dump and SHOW commands

Published: 10/16/2026 Last updated: 10/19/2026 Reserved: 9/4/2026

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.

CNA assigner: GitHub_M (a0819718-46f1-4df5-94e2-005712e83aaa) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 7.7 High CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:H

Opam packages affected (2)

conf-mariadb conf-mysql

Products affected (0)

No product listed.

References (17)