Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nltk | Nltk | < 3.10.3 |
Related Weaknesses (CWE)
References
- https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49ExploitVendor Advisory
- https://www.vulncheck.com/advisories/nltk-path-traversal-via-corpus-reader-constThird Party Advisory
- https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49ExploitVendor Advisory
FAQ
What is CVE-2026-79674?
CVE-2026-79674 is a vulnerability with a CVSS score of 8.2 (HIGH). 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...
How severe is CVE-2026-79674?
CVE-2026-79674 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-79674?
Check the references section above for vendor advisories and patch information. Affected products include: Nltk Nltk.