NLTK IPIPANCorpusReader CrubadanCorpusReader LinThesaurusCorpusReader Unauthorized Access

The vulnerability of the IPIPANCorpusReader, CrubadanCorpusReader, and LinThesaurusCorpusReader classes in the NLTK library for symbolic and statistical processing of natural language data is related to an incorrect limitation on the path name to the restricted-access directory. Exploiting this...

GHSA-3GQ4-3J92-5W49 NLTK: Corpus Reader Sandbox Bypass

Summary NLTK corpus-reader constructors can still reach outside-root file and database reads before the nltk.pathsec sandbox boundary is enforced. The PoC shows the safe path blocked by pathsec.open, then LinThesaurusCorpusReader and PanLexLiteCorpusReader succeeding in the same process. Affected...

NLTK: Corpus Reader Sandbox Bypass

Summary NLTK corpus-reader constructors can still reach outside-root file and database reads before the nltk.pathsec sandbox boundary is enforced. The PoC shows the safe path blocked by pathsec.open, then LinThesaurusCorpusReader and PanLexLiteCorpusReader succeeding in the same process. Affected...

GHSA-RCW8-9QRW-27M2 Duplicate Advisory: NLTK: Corpus Reader Sandbox Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3gq4-3j92-5w49. This link is maintained to preserve external references. Original Description NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader constructors that allows...

Duplicate Advisory: NLTK: Corpus Reader Sandbox Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3gq4-3j92-5w49. This link is maintained to preserve external references. Original Description NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader constructors that allows...

CVE-2026-79674

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...

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

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...

CVE-2026-79674: External Control of File Name or Path

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...