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CVE-2026-63312

NLTK StreamBackedCorpusView Bypasses pathsec.ENFORCE Arbitrary File Read PUBLISHED

Description (CNA)

NLTK before 3.10.0 contains an arbitrary local file read vulnerability in StreamBackedCorpusView that bypasses pathsec.ENFORCE by calling builtins.open() directly instead of pathsec.open(). Attackers who control the fileid argument can read arbitrary local files regardless of the ENFORCE setting, including sensitive system files and application credentials.

Affected (CNA)

Vendor / productVersions
nltk / nltkaffected 0 before 3.10.0; unaffected 3.10.0

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.