CVE-2026-12259

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage 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 the package response body for info.url through a compromised...

PT-2024-6156 · Nltk +2 · Nltk +2

Name of the Vulnerable Software and Affected Versions: NLTK versions 3.8.1 and earlier Description: The issue is related to the nltk.download function in the NLTK library, which can lead to remote code execution when untrusted packages containing pickled Python code are downloaded. This...