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Are you sure? The change says "A malicious template repository could be used to read arbitrary data from the Forgejo host" (emphasis added). Couldn't an attacker create a template repo and then immediately create a new repo from their own template, causing the Forgejo process to execute their template code on the server?

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They could, and this is definitely a RCE (a Remote Code Execution) vulnerability. GP confusion stems from the fact, that you (the forgejo user) must execute this attack on "your" instance. But of course the problem is that forgejo user can, in fact, be malicious, and use this vulnerability to escalate their priviliges from user to server.

It can't be done without authenticating first, but there's nothing about RCE that says that it must be sent from unauthenticated connection.

Would be good to label it "authenticated RCE" to make this clear

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