CVE-2021-46364: Magnolia-CMS Magnolia CMS

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability in the Snake YAML parser of Magnolia CMS v6.2.3 and below allows attackers to execute arbitrary code via a crafted YAML file.

Affected products

• Magnolia-CMS Magnolia CMS: before 6.2.4 (fixed in 6.2.4)

Published 2022-02-11. Last modified 2026-06-17.