NLTK: JVM argument injection bypass via per-call options in the NLTK Stanford wrappers (incomplete fix of CVE-2026-12...

Date Sep 1, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product PyPI · nltk

CVE CVE-2026-79675

Critical vendor advisory CVE-2026-79675

Summary

NLTK: JVM argument injection bypass via per-call options in the NLTK Stanford wrappers (incomplete fix of CVE-2026-12841)

Why it matters

GitHub has published a reviewed security advisory for nltk. Prioritize it with other application dependency updates, especially because EPSS places it in the 33% percentile.

Operator check

Check whether nltk is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.3. EPSS probability: 0.4%; percentile: 33%.

Sources

GitHub Advisory GHSA-m4rf-3fr8-xwx3 NVD — CVE-2026-79675 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

Get watched-vendor alerts Subscribe free Back to feed