CVE-2026-86047

HIGH CVSS 3.1: 7.7 EPSS 0.32%
Updated Oct 20, 2026
MySQL
Parameter Value
CVSS 7.7 (HIGH)
Affected Versions 10.11.1 — 12.3.3
Fixed In 10.6.28
Type CWE-89 (SQL Injection)
Vendor MySQL
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 6

Configuration From (including) Up to (excluding)
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
10.6.1 10.6.28
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
10.11.1 10.11.19
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
11.4.1 11.4.13
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
11.8.1 11.8.9
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
12.3.1 12.3.3
Mariadb Mariadb
cpe:2.3:a:mariadb:mariadb:13.0.1:*:*:*:*:*:*:*
— —

References 17

https://github.com/MariaDB/server/commit/2b28d1c424104429eeed43115ee6d8a803671d…
security-advisories@github.com
https://github.com/MariaDB/server/commit/3646569225758c8225e7342783d775ef7c7570…
security-advisories@github.com
https://github.com/MariaDB/server/commit/5acb43522863c9bd6b91f354104ea247bf513e…
security-advisories@github.com
https://github.com/MariaDB/server/commit/9d4ffe23b25808f7858b2dc48106fbd60cf0e5…
security-advisories@github.com
https://github.com/MariaDB/server/commit/d5d741a3076f911b468518d6b06a917593498c…
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3
security-advisories@github.com
https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2
security-advisories@github.com
https://github.com/MariaDB/server/security/advisories/GHSA-wxr3-wm3p-7w6p
security-advisories@github.com
https://jira.mariadb.org/browse/MDEV-39776
security-advisories@github.com
https://jira.mariadb.org/browse/MDEV-39818
security-advisories@github.com
https://jira.mariadb.org/browse/MDEV-40308
security-advisories@github.com
https://jira.mariadb.org/browse/MDEV-40311
security-advisories@github.com
https://jira.mariadb.org/browse/MDEV-40312
security-advisories@github.com