CVE-2026-62385

Summary

NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the corpus root by supplying unsafe selectors or poisoned index state. Attackers can exploit frame_by_name, doc, lu, and header methods with crafted parameters to read arbitrary XML files accessible to the application.

Affected Software

VendorProductVersion RangeStatus
nltknltk0 < 3.10.0affected
nltknltk3.10.0unaffected

Weaknesses

  • CWE-73: External Control of File Name or Path

References