CVE Watch15 jul 2026

CVE-2026-33231

NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Na

CVSS

7.5

Alto

EPSS

0.9%

p55

KEV

—

Exploit Today

0-100

Publicado: 20 mar 2026 · Última mod.: 15 jul 2026 · CWE-306

EPSS · 30d

0.9%EPSS · 30 días0.9%

2026-06-302026-07-16

Descripción técnica

NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, `nltk.app.wordnet_app` allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when it is started in its default mode. A simple `GET /SHUTDOWN%20THE%20SERVER` request causes the process to terminate immediately via `os._exit(0)`, resulting in a denial of service. Commit bbaae83db86a0f49e00f5b0db44a7254c268de9b patches the issue.

Referencias oficiales

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