PyPI/nltk CVE-2026-62385: medium 5.9, EPSS 0.42%

NLTK: Stable FrameNet and NKJP readers parse outside-root XML

Action: Upgrade nltk to 3.10.0 or later.

pip install nltk==3.10.0

Affected

Fixed versions

Sources

• osv: GHSA-568f-pv23-39p4
• https://github.com/nltk/nltk/security/advisories/GHSA-568f-pv23-39p4
• https://nvd.nist.gov/vuln/detail/CVE-2026-62385
• https://github.com/nltk/nltk/pull/3579
• https://github.com/nltk/nltk/pull/3581
• https://github.com/nltk/nltk/commit/7d1389d0789c1eca56bd0ed444089e0a3972e3ed
• https://github.com/nltk/nltk/commit/bf3bf32786791394a1008258b4917a7f2d4dbcda
• https://github.com/nltk/nltk
• https://github.com/nltk/nltk/releases/tag/v3.10.0
• https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3728.yaml
• https://www.vulncheck.com/advisories/nltk-path-traversal-via-framenet-and-nkjp-readers

CVE-2026-62385 · published 2026-09-08T16:37:18Z · modified 2026-09-08T16:45:03.600943920Z · JSON