The latest minor release receives security fixes.
Please do not open a public issue for a security problem. Use GitHub's private vulnerability reporting: the Security tab of this repository, then Report a vulnerability.
Include what you found, how to reproduce it, and which version you tested. You will get a reply within a week.
Note on secrets: Yeti reads Jira and GitHub credentials from environment variables and never stores them in the database or the repository. If you find a place where it does, report it as a vulnerability.