CVE-2026-79675

Description

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.

CVSS Vector

References

• https://github.com/nltk/nltk/security/advisories/GHSA-m4rf-3fr8-xwx3
• https://www.vulncheck.com/advisories/nltk-before-jvm-argument-injection-via-per-call-options