Fossil before 2.10.2, 2.11.x before 2.11.2, and 2.12.x before 2.12.1 allows remote authenticated users to execute arbitrary code. An attacker must have check-in privileges on the repository (CVE-2020-24614).
The fossil package has been updated to version 2.10.2, containing fixes for this issue, fixes for other bugs and security issues, and additional enhancements. See the changes list for details.