CVE-2026-55856

A flaw was found in MariaDB Connector/J. An active man-in-the-middle MITM attacker or hostile server can exploit a vulnerability during the initial connection handshake. When a Java application connects using specific SSL modes without proper certificate configuration, the connector may accept an...

CVE-2021-2471

CVE-2021-2471 - XXE в MySQL Connector/J Уязвимость в продукте MySQL Connectors от Oracle MySQL компонент: Connector/J. Затронутые поддерживаемые версии: 8.0.26 и более ранние. Успешные атаки на эту уязвимость могут привести к несанкционированному доступу к критическим данным или полному доступу к...

CVE-2023-21971_Analysis

Analyse CVE-2023-21971 Connector/J RCE Références Remote Code Execution RCE in com.mysql:mysql-connector-j | CVE-2023-21971 | Snyk New Vulnerability in MySQL JDBC Driver: RCE and Unauthorized DB Access MYSQL JDBC反序列化解析 - 跳跳糖 tttang.com Aperçu de la vulnérabilité Vulnérabilité dans les produits...

CVE-2026-55857

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-2026-55858

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, the connector encodes and decodes protocol text and performs client-side escaping under the assumption that the connection character set is UTF-8. The...

CVE-2026-55856

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, when a Java application connects with sslMode=verify-full or sslMode=verify-ca, supplies a password, and does not configure serverSslCert or trustStore,...

CVE-2026-55858 MariaDB Connector/J: Inappropriate Encoding for Output Context in org.mariadb.jdbc:mariadb-java-client

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, the connector encodes and decodes protocol text and performs client-side escaping under the assumption that the connection character set is UTF-8. The...

CVE-2026-55858

MariaDB Connector/J (org.mariadb.jdbc:mariadb-java-client) is vulnerable to a charset-confusion mismatch in versions prior to 2.7.14, 3.3.5, 3.4.3, and 3.5.9. The connector assumes a UTF-8 connection character set for protocol encoding/decoding and client-side escaping. If the server reports a mi...

CVE-2026-55858 MariaDB Connector/J: Inappropriate Encoding for Output Context in org.mariadb.jdbc:mariadb-java-client

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, the connector encodes and decodes protocol text and performs client-side escaping under the assumption that the connection character set is UTF-8. 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...

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...

MariaDB has cleartext password disclosure to a MITM on the initial-handshake

Summary When a Java application connects with sslMode=verify-full or verify-ca and a password but does not pin a server certificate, Connector/J deliberately accepts an untrusted/self-signed certificate at the TLS layer the "MITM-proof without a CA" feature and proves the server's identity...

GHSA-G9JJ-CGMH-9F38 MariaDB has cleartext password disclosure to a MITM on the initial-handshake

Summary When a Java application connects with sslMode=verify-full or verify-ca and a password but does not pin a server certificate, Connector/J deliberately accepts an untrusted/self-signed certificate at the TLS layer the "MITM-proof without a CA" feature and proves the server's identity...

CVE-2026-55856 MariaDB Connector/J: Cleartext password disclosure to a MITM on the initial-handshake

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, when a Java application connects with sslMode=verify-full or sslMode=verify-ca, supplies a password, and does not configure serverSslCert or trustStore,...

CVE-2026-55856

MariaDB Connector/J (Java connector for MariaDB/MySQL databases) has a cleartext password disclosure vulnerability on the initial-handshake path. When an application connects with sslMode=verify-full or verify-ca, supplies a password, and does not configure serverSslCert or trustStore, the connec...

CVE-2026-55856 MariaDB Connector/J: Cleartext password disclosure to a MITM on the initial-handshake

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, when a Java application connects with sslMode=verify-full or sslMode=verify-ca, supplies a password, and does not configure serverSslCert or trustStore,...

PT-2026-83374

Name of the Vulnerable Software and Affected Versions MariaDB Connector/J versions prior to 2.7.14 MariaDB Connector/J versions prior to 3.3.5 MariaDB Connector/J versions prior to 3.4.3 MariaDB Connector/J versions prior to 3.5.9 Description The connector encodes and decodes protocol text and...

PT-2026-83372

Name of the Vulnerable Software and Affected Versions MariaDB Connector/J versions prior to 2.7.14 MariaDB Connector/J versions prior to 3.3.5 MariaDB Connector/J versions prior to 3.4.3 MariaDB Connector/J versions prior to 3.5.9 Description When a Java application connects using...

PT-2026-83373

Name of the Vulnerable Software and Affected Versions MariaDB Connector/J versions prior to 2.7.14 MariaDB Connector/J versions prior to 3.3.5 MariaDB Connector/J versions prior to 3.4.3 MariaDB Connector/J versions prior to 3.5.9 Description When using PAM dialog authentication, the connector ca...