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by throwawaysess 1 day ago
Tailscale OAuth client ACL permissions are not fine-grained enough. I have a system that issues auth keys scoped to a single machine on the tailnet — but to set that up, my OAuth client must have global permission to write ACLs. So if that key is compromised, it can grant access to any machine on the tailnet. This was raised in a GitHub issue in 2023 and remains unresolved.