CVE-2026-79674NLTK 3.10.2 Path Traversal via corpus-reader constructors

Description

NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader constructors that allows attackers to read files outside the intended data root. Attackers can supply arbitrary corpus root paths to LinThesaurusCorpusReader and PanLexLiteCorpusReader constructors to access filesystem content and SQLite databases outside the pathsec sandbox boundary.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-3gq4-3j92-5w49) vendor-advisoryExploitVendor Advisory
• VulnCheck Advisory: NLTK 3.10.2 Path Traversal via corpus-reader constructors third-party-advisoryThird Party Advisory