HIGH 8.7 NVD
CVE-2026-62384
NLTK versions before 3.10.2 contain a symlink-based sandbox bypass in FramenetCorpusReader that allows attackers to read arbitrary XML files outside the corpus
NLTK versions before 3.10.2 contain a symlink-based sandbox bypass in FramenetCorpusReader that allows attackers to read arbitrary XML files outside the corpus root. Attackers can place symlinks with names containing no path separators inside the corpus subdirectory, which pass the path validation guard and are resolved to files outside the intended corpus root when accessed via frame_by_name(), _lu_file(), or doc() methods.
References
- https://github.com/nltk/nltk/security/advisories/GHSA-f833-7jw8-xwrv
- https://www.vulncheck.com/advisories/nltk-framenetcorpusreader-symlink-sandbox-bypass-befo
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-08-22 via NVD.
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