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THREAT OPS › Threat News › [NVD] CVE-2026-70626 (MEDIUM 6.2) — NLTK versions before 3.9.4 contain a symlink escape vulnerability in CorpusReader.open() that allows local attackers to read arbitrary files outside the corpus root. The vulnerability exists because path validation is lexical and does not account for symlink resolution, enabling

[NVD] CVE-2026-70626 (MEDIUM 6.2) — NLTK versions before 3.9.4 contain a symlink escape vulnerability in CorpusReader.open() that allows local attackers to read arbitrary files outside the corpus root. The vulnerability exists because path validation is lexical and does not account for symlink resolution, enabling

mednvdPublished 2026-08-22

CVE-2026-70626 CVSS: 6.2 MEDIUM Published: 2026-08-22T15:16:21.100

NLTK versions before 3.9.4 contain a symlink escape vulnerability in CorpusReader.open() that allows local attackers to read arbitrary files outside the corpus root. The vulnerability exists because path validation is lexical and does not account for symlink resolution, enabling attackers to place symlinks inside the corpus root t

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-70626