NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the co…

Timeline

Detection, updates, and resolution for this record.

1. Aug 22, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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

• cpe nltk/nltkversion unspecified

Sources

• CVE.orgCVE-2026-62385

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2026-62385

  30-day exploitation probability 0.4%

  first.org
• NIST NVDCVE-2026-62385

  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, an

  nvd.nist.gov

References

• Exploit · github.com
• Third Party Advisory · vulncheck.com