Vulnerabilities in nltk
12 resultsCVE-2021-43854HIGHInefficient Regular Expression Complexity in nltkEPSS 2.7%CVE-2021-3828HIGHInefficient Regular Expression Complexity in nltk/nltkEPSS 1.6%CVE-2021-3842HIGHInefficient Regular Expression Complexity in nltk/nltkEPSS 1.5%CVE-2026-0848CRITICALArbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR LoadingEPSS 0.8%CVE-2026-0847HIGHPath Traversal in nltk/nltkEPSS 0.7%CVE-2025-14009CRITICALZip Slip Vulnerability in nltk/nltk Leading to Remote Code ExecutionEPSS 0.7%CVE-2026-33231HIGHNLTK has unauthenticated remote shutdown in nltk.app.wordnet_appEPSS 0.5%CVE-2026-54293HIGHNLTK: URL-Encoded Path Traversal in nltk.data.load() Allows Arbitrary Local File ReadEPSS 0.4%CVE-2026-33236HIGHNLTK has a Downloader Path Traversal Vulnerability (AFO) - Arbitrary File OverwriteEPSS 0.4%CVE-2026-0846HIGHArbitrary File Read via Absolute Path Input in nltk.util.filestring()EPSS 0.4%CVE-2026-33230MEDIUMnltk Vulnerable to Cross-site ScriptingEPSS 0.3%CVE-2026-12199HIGHUnauthenticated Denial of Service in nltk.app.wordnet_appEPSS 0.3%