GHSA-WVRH-2F4M-924V ChatterBot: Symlink-Following Arbitrary Write via UbuntuCorpusTrainer

Summary ChatterBot's UbuntuCorpusTrainer.extract uses a predictable, home-rooted output directory /ubuntudata/ubuntudialogs with a check-then-create pattern if not os.path.exists: os.makedirs followed by tar.extractallpath=self.datapath. A local attacker who pre-plants a symlink at the predictabl...