CVE-2026-44169: MariaDB: Authorization bypass in role-based routine-level privilege check exposes stored routine definitions

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-12 · updated 2026-10-26
Weakness: CWE-863

Description

MariaDB server is a community developed fork of MySQL server. From versions 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, a user getting EXECUTE access to a stored routine via a role, could see the routine definition even without SHOW CREATE ROUTINE privilege. This issue has been patched in versions 11.4.11, 11.8.7, and 12.3.2.

Affected products

MariaDB: from 11.4.1 before 11.4.11; from 11.8.1 before 11.8.7; 12.3.1 — fixed in 11.4.11, 11.8.7

How to fix

Upgrade to a fixed version: MariaDB 11.4.11, 11.8.7. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2026-44169 or the next vulnerability affects your stack