nltk

6 known vulnerabilities in nltk, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

  • CVE-2026-81727 CVSS 6.9 medium NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incr_download…
  • CVE-2026-81726 CVSS 8.3 high NLTK through 3.10.3 contains a path traversal vulnerability in model-artifact APIs that bypass pathsec enforcement by using raw file…
  • CVE-2026-81725 CVSS 6.3 medium NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause…
  • CVE-2026-81724 CVSS 6.9 medium NLTK before 3.10.3 contains an uncontrolled recursion vulnerability in nltk.featstruct.FeatStructReader that allows unauthenticated…
  • CVE-2026-81723 CVSS 6.3 medium NLTK versions before 3.10.3 contain a quadratic CPU exhaustion vulnerability in XMLCorpusView._read_xml_fragment() that rescans…
  • CVE-2026-81722 CVSS 8.7 high nltk PorterStemmer in versions <= 3.10.2 (fixed in 3.10.3) contains an inefficient-algorithmic-complexity denial of service in…