CVE-2026-55215
CVE-2026-55215 · MariaDB Connector/Node.js: Connector leaks the cleartext password to an MitM despite `ssl: true`
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MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. Prior to versions 3.3.3, 3.4.6, and 3.5.3, when ssl is enabled without a pinned CA or server certificate, MariaDB Connector/Node.js sends credentials before completing certificate fingerprint validation. In lib/cmd/handshake/auth/handshake.js, a server that selects mysql_clear_password as the initial authentication plugin can receive the password before the post-TLS identity check. In lib/cmd/handshake/authentication.js, an authentication switch can evaluate the previous plugin instead of the requested target plugin, allowing mysql_clear_password to send the credential first. An active man-in-the-middle can present a self-signed certificate, capture the database password, and use it to authenticate directly even though the connector later rejects the server and closes the connection. This issue is fixed in versions 3.3.3, 3.4.6, and 3.5.3.
CVSS 7.5 · Hoch · EPSS 0,6% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node · database
Betroffene Produkte und Versionen
mariadb-connector-nodejs
- Softwareversionen
- < 3.2.4: Betroffen
Keine Korrektur veröffentlicht
mariadb npm
- Betroffene Versionsbereiche
- SEMVER: < 3.2.4
Auf 3.2.4 aktualisieren
mariadb npm
- Betroffene Versionsbereiche
- SEMVER: ≥ 3.3.0, < 3.3.3
Auf 3.3.3 aktualisieren
mariadb npm
- Betroffene Versionsbereiche
- SEMVER: ≥ 3.4.0, < 3.4.6
Auf 3.4.6 aktualisieren
mariadb npm
- Betroffene Versionsbereiche
- SEMVER: ≥ 3.5.0, < 3.5.3
Auf 3.5.3 aktualisieren
Originalquellen
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/security/advisories/GHSA-cqhc-2h57-wpxf
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/514576a5a1fab3ea8498613e259a0b7a764e7302
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/c47d7275835c78c7eb8186cd23e9d57c045c128b
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/commit/ecd36958e6e3bf0e0fa8389546f50c0ed6dbb2ac
- https://hackerone.com/reports/3777370
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.3.3
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.4.6
- https://github.com/mariadb-corporation/mariadb-connector-nodejs/releases/tag/3.5.3
- https://jira.mariadb.org/browse/CONJS-349
- https://nvd.nist.gov/vuln/detail/CVE-2026-55215