CVE-2026-79675

NLTK before 3.10.3 fails to validate JVM options passed through the per-call options parameter in the java() function, allowing attackers to inject dangerous JVM flags. Attackers can supply malicious options like -agentpath, -javaagent, or @argfile to Stanford wrapper classes to achieve arbitrary code execution.

Affected products

Nltk

CVSS 3.1

9.8 CRITICAL

EPSS

0.4% (33th percentile)

Weakness

CWE-88

NVD status

Received

Published

2026-08-25