{"action":"Upgrade nltk to 3.9.3 or later.","affected":[{"fixed":"3.9.3","introduced":"0"}],"component":"nltk","cve_ids":["CVE-2025-14009"],"ecosystem":"PyPI","epss":0.01036,"exploited":false,"fixed_versions":["3.9.3"],"ghsa_id":"GHSA-7p94-766c-hgjp","id":"tcs_01M5KF6BHRYXQH3NS8923GB0SF","modified_at":"2026-09-10T03:50:34.416389229Z","published_at":"2026-02-18T18:30:40Z","references":["https://osv.dev/vulnerability/GHSA-7p94-766c-hgjp","https://nvd.nist.gov/vuln/detail/CVE-2025-14009","https://github.com/nltk/nltk/pull/3468","https://github.com/nltk/nltk/commit/1056b323af6462455571302e766b67cf300aea18","https://github.com/nltk/nltk","https://github.com/nltk/nltk/blob/4154eb85e832f266660a09286c7e37e308292284/ChangeLog#L1","https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-96.yaml","https://huntr.com/bounties/49ecbc02-054e-4470-b2e0-b267936cc4e4"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"GHSA-7p94-766c-hgjp","url":"https://osv.dev/vulnerability/GHSA-7p94-766c-hgjp"}],"summary":"NLTK has a Zip Slip Vulnerability"}