This vulnerability seems much harder to exploit. I've just checked the services I'm in charge of and while there are a few uses of `${ctx:...}` in those codebas

This vulnerability seems much harder to exploit. I've just checked the services I'm in charge of and while there are a few uses of `${ctx:...}` in those codebases, the corresponding context values are all injected internally and not able to be manipulated by the user.