CVE-2026-86047

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.

• CWE-89

• https://github.com/MariaDB/server/commit/2b28d1c424104429eeed43115ee6d8a803671d52Patch
• https://github.com/MariaDB/server/commit/3646569225758c8225e7342783d775ef7c7570e5Patch
• https://github.com/MariaDB/server/commit/5acb43522863c9bd6b91f354104ea247bf513e9aPatch
• https://github.com/MariaDB/server/commit/9d4ffe23b25808f7858b2dc48106fbd60cf0e513Patch
• https://github.com/MariaDB/server/commit/d5d741a3076f911b468518d6b06a917593498c5bPatch
• https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19Release Notes
• https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28Release Notes
• https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13Release Notes
• https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9Release Notes
• https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3Release Notes
• https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2Release Notes
• https://github.com/MariaDB/server/security/advisories/GHSA-wxr3-wm3p-7w6pVendor Advisory
• https://jira.mariadb.org/browse/MDEV-39776Issue Tracking
• https://jira.mariadb.org/browse/MDEV-39818Issue Tracking
• https://jira.mariadb.org/browse/MDEV-40308Issue Tracking
• https://jira.mariadb.org/browse/MDEV-40311Issue Tracking
• https://jira.mariadb.org/browse/MDEV-40312Issue Tracking

Published

Oct 16, 2026

Last Modified

Oct 20, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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