Only the latest release is supported: fixes go to main and ship in the next release.
Don't open a public issue. Report privately through GitHub security advisories.
Include:
- what is affected: the proxy, the API, the admin UI or the image;
- the version or the image tag;
- steps to reproduce and the impact.
You'll get a reply within 7 days. Once a fix is released, the advisory is published with credit to you, unless you ask otherwise.