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VULNERABILITIES

CVE-2026-79674 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49 CISA-ADPExploitVendor Advisory
https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49 [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/nltk-path-traversal-via-corpus-reader-constructors [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-73External Control of File Name or Path[email protected]

Affected Products

ProductVersions
nltk nltk
< 3.10.3

CPE

  • cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-79674
NVD Published Date:
Aug 25, 2026
NVD Last Modified:
Aug 31, 2026
Source:
[email protected]