CVE-2026-55859

MariaDB Connector/R2DBC is a non-blocking MariaDB and MySQL client implemented in Java. Prior to 1.4.1, org.mariadb:r2dbc-mariadb encodes and decodes all character data under the assumption that the connection character set is UTF-8. A server can announce a mid-session change to charactersetclien...

CVE-2026-55860

MariaDB Connector/R2DBC is a non-blocking MariaDB and MySQL client implemented in Java. Prior to 1.4.1, org.mariadb:r2dbc-mariadb does not gate clear-text password authentication plugins on transport encryption because the AuthenticationPlugin interface has no capability for a plugin to require a...

CVE-2026-55859

MariaDB Connector/R2DBC (org.mariadb:r2dbc-mariadb) is a non-blocking Java client for MariaDB and MySQL. Prior to 1.4.1 , the driver encodes and decodes all character data assuming the connection character set is UTF-8 . A server can announce a mid-session change to character_set_client through t...

PT-2026-83375

Name of the Vulnerable Software and Affected Versions MariaDB Connector/R2DBC versions prior to 1.4.1 Description The driver encodes and decodes all character data assuming the connection character set is UTF-8. A server can announce a mid-session change to the character set client variable throu...

PT-2026-83376

Name of the Vulnerable Software and Affected Versions MariaDB Connector/R2DBC versions prior to 1.4.1 Description The driver does not require a secure transport before using clear-text password authentication plugins. A hostile or man-in-the-middle MariaDB server can send an AuthSwitchRequest...