Nltk vulnerabilities
45 CVEs and advisories name Nltk as an affected vendor, newest first. Follow it as a feed.
- CVE-2026-12261Improper Access Control in nltk/nltk
- CVE-2026-12259Improper Input Validation in nltk/nltk
- CVE-2026-12252Untrusted JAR Code Execution in Multiple Stanford Interface Classes in nltk/nltk
- CVE-2026-54293NLTK: URL-Encoded Path Traversal in nltk.data.load() Allows Arbitrary Local File Read
- CVE-2026-12199Unauthenticated Denial of Service in nltk.app.wordnet_app
- CVE-2026-33236NLTK has a Downloader Path Traversal Vulnerability (AFO) - Arbitrary File Overwrite
- CVE-2026-33231NLTK has unauthenticated remote shutdown in nltk.app.wordnet_app
- CVE-2026-33230nltk Vulnerable to Cross-site Scripting
- CVE-2026-0846Arbitrary File Read via Absolute Path Input in nltk.util.filestring()
- CVE-2026-0848Arbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR Loading
- CVE-2026-0847Path Traversal in nltk/nltk
- CVE-2025-14009Zip Slip Vulnerability in nltk/nltk Leading to Remote Code Execution
- CVE-2021-3842Inefficient Regular Expression Complexity in nltk/nltk
- CVE-2021-43854Inefficient Regular Expression Complexity in nltk
- CVE-2021-3828Inefficient Regular Expression Complexity in nltk/nltk