{"id":"CVE-2024-39705","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-39705","generatedAt":"2026-10-28T02:16:25.188Z","title":"NLTK through 3.8.1 allows remote code execution if untrusted packages have pickled Python code, and the integrated data package download functionality is used.","description":"NLTK through 3.8.1 allows remote code execution if untrusted packages have pickled Python code, and the integrated data package download functionality is used. This affects, for example, averaged_perceptron_tagger and punkt.","published":"2024-06-27T22:15:11.000Z","lastModified":"2026-06-17T07:42:31.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":[],"epss":{"score":0.01346,"percentile":0.71234,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/nltk/nltk/issues/2522","source":"cve@mitre.org"},{"url":"https://github.com/nltk/nltk/issues/3266","source":"cve@mitre.org"},{"url":"https://www.vicarius.io/vsociety/posts/rce-in-python-nltk-cve-2024-39705-39706","source":"cve@mitre.org"},{"url":"https://github.com/nltk/nltk/issues/2522","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nltk/nltk/issues/3266","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/rce-in-python-nltk-cve-2024-39705-39706","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-39705","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}