PT-2026-67013

Name of the Vulnerable Software and Affected Versions nltk version 3.9.4 Description The nltk.downloader.Downloader. download package function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with t...

PYSEC-2026-2085

In nltk/nltk versions 3.9.3 and earlier, five Stanford interface classes StanfordPOSTagger, StanfordNERTagger, StanfordParser, StanfordDependencyParser, and StanfordNeuralDependencyParser are vulnerable to untrusted JAR code execution. These classes accept user-controllable JAR paths and execute...

PT-2026-55683

Name of the Vulnerable Software and Affected Versions nltk versions prior to 3.9.4 Description Five Stanford interface classes StanfordPOSTagger, StanfordNERTagger, StanfordParser, StanfordDependencyParser, and StanfordNeuralDependencyParser allow the execution of untrusted JAR code. These classe...

UBUNTU-CVE-2026-12243

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

📄 NLTK 3.9.2 Path Traversal / File Disclosure

NLTK version 3.9.2 suffers from a path traversal vulnerability that allows for file disclosure. ================================================================================================================================== | Title : NLTK 3.9.2 Path Traversal - File Disclosure Exploit | | Auth...

EUVD-2026-10351

A vulnerability in the filestring function of the nltk.util module in nltk version 3.9.2 allows arbitrary file read due to improper validation of input paths. The function directly opens files specified by user input without sanitization, enabling attackers to access sensitive system files by...