CVE-2021-3779: Ruby-MySQL Project Ruby-MySQL

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A malicious MySQL server can request local file content from a client using ruby-mysql prior to version 2.10.0 without explicit authorization from the user. This issue was resolved in version 2.10.0 and later.

Affected products

• Ruby-MySQL Project Ruby-MySQL: before 2.10.0 (fixed in 2.10.0)

Published 2022-06-28. Last modified 2026-06-17.