nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, newly-minted operator API key exposed in redirect URL (Referer, history, proxy logs). This issue has been patched in version 0.3.2.
https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-9pg3-25fq-p6cc
https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.2