MySQL2: Auth Plugin Downgrade to mysql_clear_password Leaks Plaintext Credentials

Date Sep 1, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · mysql2
High-risk advisory

Summary

MySQL2: Auth Plugin Downgrade to mysql_clear_password Leaks Plaintext Credentials

Why it matters

GitHub has published a reviewed security advisory for mysql2. Prioritize it with other application dependency updates.

Operator check

Check whether mysql2 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2.

Sources

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