What is GHSA-rcw8-9qrw-27m2?

GHSA-rcw8-9qrw-27m2 is a security advisory published by GitHub Security Advisories with High severity. NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader...

Which CVE IDs does GHSA-rcw8-9qrw-27m2 cover?

GHSA-rcw8-9qrw-27m2 covers the following CVE IDs: CVE-2026-79674. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rcw8-9qrw-27m2?

GHSA-rcw8-9qrw-27m2 has a CVSS v3 base score of 8.2, published by GitHub Security Advisories.

GHSA-rcw8-9qrw-27m2HighCVSS 8.2

NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader...

Vendor

GitHub Security Advisories

Published

August 25, 2026

Last Modified

August 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-79674 →

📋 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.

🔗 References (4)

https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49
https://nvd.nist.gov/vuln/detail/CVE-2026-79674
https://www.vulncheck.com/advisories/nltk-path-traversal-via-corpus-reader-constructors
https://github.com/advisories/GHSA-rcw8-9qrw-27m2