CVE-2020-27224: Eclipse Theia

Critical severity, CVSS 9.6. EPSS: 2.6% chance of exploitation in the next 30 days.

In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

Affected products

• Eclipse Theia: up to and including 1.2.0

Published 2021-02-24. Last modified 2026-06-17.