CVE-2026-107822 MariaDB: database privilege escalation via user / role name collision in the acl cache

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, MariaDB's ACL cache could generate the same database-privilege cache key for role and localhost user names that matched because both used an empty IP component. ...

CVE-2026-107822

MariaDB servers versions 10.6.1 through 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2 are vulnerable to a database privilege escalation flaw. The root cause is a user/role name collision in the ACL cache, where the system generates identical cache keys for roles and localhost user names ...