GHSA-QXVW-FVWX-5CP7 org.mariadb.jdbc:mariadb-java-client has Cleartext Transmission of Sensitive Information and Insufficiently Protected Credentials

Summary When PAM dialog authentication is used, the connector can be coerced into sending the account password in cleartext over an insecure connection. A hostile or man-in-the-middle server can trigger this with the default configuration, disclosing the user's password. Details The...

CVE-2026-55857 MariaDB Connector/J: Cleartext Transmission of Sensitive Information and Insufficiently Protected Credentials

MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. Prior to 2.7.14, 3.3.5, 3.4.3, and 3.5.9, PAM dialog authentication can be coerced into transmitting the account password over an insecure connection. The mysqlclearpassword plugin is gated behin...

CVE-2026-55857

MariaDB Connector/J (versions prior to 2.7.14, 3.3.5, 3.4.3, and 3.5.9) is vulnerable to cleartext password transmission during PAM dialog authentication . The PAM handler SendPamAuthPacketFactory (referred to as dialog by the server) does not declare a secure-transport requirement and inherits t...