PYSEC-2026-3726

vendorUSosv
view advisory published 2026-08-22Licence: CC-BY-4.0

nltk versions before 3.10.2 contain a symlink-based arbitrary file read vulnerability in IPIPANCorpusReader methods that bypass nltk.pathsec validation entirely. Attackers can place a symlink in the corpus root directory and read arbitrary files accessible to the process by calling channels(), domains(), categories(), or fileids() methods with the symlink filename.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-62383USmedium5.5—
nltk versions before 3.10.2 contain a symlink-based arbitrary file read vulnerability in IPIPANCorpusReader methods that bypass nltk.pathsec validation entirely. Attackers can plac…
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references

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