CVE-2026-62384

Fixed in a distro release EPSS <1%CVSS 7.5

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.

Published 2026-08-22 · CVE record · OSV

Products: nltk

Fixed upstream

Distro releases