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CVE-2026-79674

NLTK 3.10.2 Path Traversal via corpus-reader constructors

Published: Aug 25, 2026Updated: Aug 31, 2026 Sources: CVE List NVDCWE-73

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

Affected Products

nltk
oss-projectaka nltk/nltk

Exploitability

Official Patch Available

References

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