PT-2026-85144

Summary A rogue MySQL server or MITM can force mysql2 to send credentials in plaintext by requesting an auth switch to mysql clear password. The driver complies without verifying that TLS is active. Details mysql clear password is registered as a default standard plugin in lib/commands/auth...

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...

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...