{"id":"BIT-mysql-client-2026-107382","summary":"MariaDB Connector/Node.js: Uncaught exception crashes the client during ed25519 authentication with zero-configuration TLS","details":"MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. From 3.3.0 until 3.5.4, the zero-configuration TLS fingerprint-validation path calls Ed25519PasswordAuth.hash() through Authentication.validateFingerPrint, but Ed25519PasswordAuth.hash() references a seed identifier that is not in scope. Exposure requires a MariaDB server reached over TCP, TLS enabled with ssl: true or an ssl object whose rejectUnauthorized value is not false, a password set, no ssl.ca configured, and client_ed25519 negotiated as the authentication plugin. Under those conditions, a legitimate server, malicious server, or network attacker presenting a self-signed certificate can reach this path and cause a synchronous ReferenceError to escape the socket data handler. Under Node.js default uncaught-exception behavior, the client process terminates, causing denial of service. Configurations using a provided CA, rejectUnauthorized: false, another authentication plugin, or a Unix socket do not reach this vulnerable path. This issue is fixed in version 3.5.4.","aliases":["BIT-mariadb-2026-107382","BIT-mariadb-min-2026-107382","CVE-2026-107382","GHSA-cx2f-j9fh-8g68"],"modified":"2026-10-16T09:56:02.258409116Z","published":"2026-10-16T08:44:08.872Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"WEB","url":"https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/784ca3d757194a05f202d84b0c762321e76a7915"},{"type":"WEB","url":"https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.4"},{"type":"WEB","url":"https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cx2f-j9fh-8g68"},{"type":"WEB","url":"https://hackerone.com/reports/3835450"},{"type":"WEB","url":"https://jira.mariadb.org/browse/CONJS-356"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107382"}],"affected":[{"package":{"name":"mysql-client","ecosystem":"Bitnami","purl":"pkg:bitnami/mysql-client"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.3.0"},{"fixed":"3.5.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mysql-client/BIT-mysql-client-2026-107382.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}