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CVE-2026-0848 - Vulnerability Analysis

CriticalCVSS: 10.0

Last Updated: March 5, 2026

NLTK - Remote Code Execution

Published: March 5, 2026Updated: March 5, 2026Remote Exploitable

Overview

NLTK <= 3.9.2 contains a remote code execution caused by improper input validation in the StanfordSegmenter module loading unverified Java .jar files, letting attackers execute arbitrary Java bytecode remotely, exploit requires attacker to supply or replace JAR files.

Severity & Score

Severity: Critical
CVSS Score: 10.0

Impact

Attackers can execute arbitrary Java bytecode remotely, leading to full system compromise.

Mitigation

Update to the latest version of NLTK.

Details

CVE ID
CVE-2026-0848
Severity
Critical
CVSS Score
10.0
Type
remote_code_execution
Status
new

CWE

  • CWE-20

CVSS Metrics

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H