MariaDB's connector leaks the cleartext password to an MitM despite `ssl: true`

Date Aug 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท mariadb
CVE CVE-2026-55215
High-risk advisory CVE-2026-55215

Summary

MariaDB's connector leaks the cleartext password to an MitM despite `ssl: true`

Why it matters

GitHub has published a reviewed security advisory for mariadb. Prioritize it with other application dependency updates.

Operator check

Check whether mariadb is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.