CVE-2021-43466: Thymeleaf

Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days.

In the thymeleaf-spring5:3.0.12 component, thymeleaf combined with specific scenarios in template injection may lead to remote code execution.

Affected products

• Thymeleaf Thymeleaf: version 3.0.12 only

Published 2021-11-09. Last modified 2026-06-17.