22 Total advisories
22 Vulnerabilities
0 Malware
Vulnerabilities
HIGH 7.5
CVE-2026-0846
CVE-2026-0846
HIGH 7.5
CVE-2026-0847
CVE-2026-0847
CRITICAL 10.0
CVE-2025-14009
CVE-2025-14009
UNKNOWN
CVE-2024-39705
CVE-2024-39705
HIGH 8.6
CVE-2026-0846
NLTK has Arbitrary File Read via Absolute Path Input in nltk.util.filestring()
HIGH 8.6
CVE-2026-0847
NLTK has a Path Traversal issue
CRITICAL 10.0
CVE-2025-14009
NLTK has a Zip Slip Vulnerability
CRITICAL 10.0
CVE-2026-0848
CVE-2026-0848
HIGH 7.5
CVE-2026-33231
Unauthenticated remote shutdown in nltk.app.wordnet_app
UNKNOWN
GHSA-rf74-v2fm-23pw
Natural Language Toolkit (NLTK) has unbounded recursion in JSONTaggedDecoder.decode_obj() may cause DoS
HIGH 8.1
CVE-2026-33236
NLTK has a Downloader Path Traversal Vulnerability (AFO) - Arbitrary File Overwrite
MEDIUM 6.1
CVE-2026-33230
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in nltk
HIGH 7.5
CVE-2021-43854
Inefficient Regular Expression Complexity in nltk (word_tokenize, sent_tokenize)
HIGH 7.5
CVE-2024-39705
ntlk unsafe deserialization vulnerability
HIGH 7.5
CVE-2021-3828
NLTK Vulnerable to REDoS
HIGH 7.5
CVE-2019-14751
NLTK Vulnerable To Path Traversal
HIGH 7.5
CVE-2021-3842
NLTK Vulnerable to REDoS
UNKNOWN
CVE-2021-43854
CVE-2021-43854
UNKNOWN
CVE-2021-3842
CVE-2021-3842
UNKNOWN
CVE-2021-3828
CVE-2021-3828
UNKNOWN
CVE-2019-14751
CVE-2019-14751
UNKNOWN
PYSEC-2019-36
PYSEC-2019-36
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