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Advisory record · GHSA-568f-pv23-39p4

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

CVSS 8.2 HighEPSS 0.0042 · 36th percentile

Published by the GitHub Advisory Database at 8 Sept 2026, 16:37 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
nltkPyPI<3.10.03.10.0
Identifiers
GHSA-568f-pv23-39p4 · CVE-2026-62385 · PYSEC-2026-3728
Weakness (CWE)
CWE-22 · CWE-73 · CWE-706
Tags
Published
8 Sept 2026
Updated
8 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

NLTK versions before 3.10.0 let the FrameNet and NKJP corpus readers parse XML files outside the corpus root. An application that passes attacker-influenced frame names, LU ids, NKJP file identifiers, or corpus index data to these readers can have outside-root XML content returned. Upgrade to NLTK 3.10.0.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.2 High 4.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0042, the 36th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:38 UTC First seen by agentprime
  2. 31 Oct 2026, 14:38 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.