{"id":"CVE-2026-58198","aliases":["GHSA-wvrh-2f4m-924v"],"url":"https://o3.security/vulnerability/CVE-2026-58198","summary":"ChatterBot: Symlink-Following Arbitrary Write via UbuntuCorpusTrainer","details":"ChatterBot is a machine learning, conversational dialog engine for creating chat bots. Prior to 1.2.14, UbuntuCorpusTrainer.extract() uses a predictable home-rooted output directory (~/ubuntu_data/ubuntu_dialogs) with a check-then-create pattern followed by tar.extractall(path=self.data_path), allowing a local attacker who pre-plants a symlink at the predictable path to cause archive contents to be written through the symlink to an attacker-chosen directory. This issue is fixed in version 1.2.14.","published":"2026-07-09T18:32:16.074Z","modified":"2026-08-12T03:51:12.615055786Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00123,"percentile":0.02361,"asOf":"2026-09-07"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"chatterbot","fixedVersion":"1.2.14"}],"fix":{"url":"https://github.com/gunthercox/ChatterBot/commit/82817b5c28bfd43e682b991bcc76e6f780726dbf","label":"gunthercox/ChatterBot@82817b5"},"references":[{"type":"WEB","url":"https://github.com/gunthercox/ChatterBot/releases/tag/1.2.14"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58198.json"},{"type":"ADVISORY","url":"https://github.com/gunthercox/ChatterBot/security/advisories/GHSA-wvrh-2f4m-924v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58198"},{"type":"FIX","url":"https://github.com/gunthercox/ChatterBot/commit/82817b5c28bfd43e682b991bcc76e6f780726dbf"},{"type":"FIX","url":"https://github.com/gunthercox/ChatterBot/pull/2445"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:12.615055786Z"}}