Headplane is a feature-complete Web UI for Headscale. Prior to versions 0.6.3 and 0.7.0-beta.3, Headplane was vulnerable to a path traversal / authorization bypass in the Headscale API client used by node and user rename operations. This issue has been patched in versions 0.6.3 and 0.7.0-beta.3.
https://github.com/tale/headplane/security/advisories/GHSA-vgj6-hcf2-fqf6
https://github.com/tale/headplane/releases/tag/v0.7.0-beta.3