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nltk Natural Language ToolkitNLTK < 3.9.3 Eval Injection via collocations.py Command-Line Arguments

Risk 73
Severity
8.5
First published (updated )
CVE-2025-71408

nltk/nltkUntrusted JAR Code Execution in Multiple Stanford Interface Classes in nltk/nltk

Risk 68
Severity
7.8
First published (updated )
CVE-2026-12252

nltk nltkPath Traversal via Percent-Encoding in nltk.data.find() and nltk.data.load()

Risk 43
Severity
7.5
First published (updated )
CVE-2026-12243

nltk Natural Language Toolkit (NLTK)Path Traversal

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2491486

pip/nltkNLTK: URL-Encoded Path Traversal in nltk.data.load() Allows Arbitrary Local File Read

Risk 43
Severity
7.5
First published (updated )
CVE-2026-54293
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nltk Natural Language Toolkit (NLTK)NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials s…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2449836

pip/nltkNLTK has a Downloader Path Traversal Vulnerability (AFO) - Arbitrary File Overwrite

Risk 42
Severity
8.1
EPSS
0.04%
First published (updated )
CVE-2026-33236

pip/nltkNLTK has unauthenticated remote shutdown in nltk.app.wordnet_app

Risk 31
Severity
7.5
EPSS
0.04%
First published (updated )
CVE-2026-33231

pip/nltknltk Vulnerable to Cross-site Scripting

Risk 27
Severity
6.1
EPSS
0.03%
First published (updated )
CVE-2026-33230

nltk nltk.util (filestring)A vulnerability in the `filestring()` function of the `nltk.util` module in nltk version 3.9.2 allow…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2445826
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pypi/nltkArbitrary File Read via Absolute Path Input in nltk.util.filestring()

Risk 64
Severity
7.5
First published (updated )
CVE-2026-0846

pypi/nltkArbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR Loading

Risk 87
Severity
10
First published (updated )
CVE-2026-0848

pypi/nltkPath Traversal in nltk/nltk

Risk 64
Severity
7.5
First published (updated )
CVE-2026-0847

nltk nltk/nltkA critical vulnerability exists in the NLTK downloader component of nltk/nltk, affecting all version…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2440724

nltk/nltkZip Slip Vulnerability in nltk/nltk Leading to Remote Code Execution

Risk 87
Severity
8.8
First published (updated )
CVE-2025-14009
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Debian Debian LinuxInefficient Regular Expression Complexity in nltk/nltk

Risk 45
Severity
7.5
First published (updated )
CVE-2021-3842

pip/nltkInefficient Regular Expression Complexity in nltk

Risk 45
Severity
7.5
First published (updated )
CVE-2021-43854

pip/nltkInefficient Regular Expression Complexity in nltk/nltk

Risk 45
Severity
7.5
First published (updated )
CVE-2021-3828

pip/nltkPath Traversal

Risk 45
Severity
7.5
First published (updated )
CVE-2019-14751

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