Critical severity9.8NVD Advisory· Published Aug 25, 2026· Updated Sep 1, 2026
CVE-2026-79675
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
nltkPyPI | < 3.10.3 | 3.10.3 |
Affected products
4- osv-coords3 versions
< 2.7.3-r27+ 2 more
- (no CPE)range: < 2.7.3-r27
- (no CPE)range: < 0.11.3-r1
- (no CPE)range: < 0.11.3-r1
Patches
Vulnerability mechanics
References
6- github.com/nltk/nltk/security/advisories/GHSA-m4rf-3fr8-xwx3nvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-m4rf-3fr8-xwx3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-79675ghsaADVISORY
- www.vulncheck.com/advisories/nltk-before-jvm-argument-injection-via-per-call-optionsnvdThird Party AdvisoryWEB
- github.com/nltk/nltk/commit/8fa9650b6009aacfdebbc33d2a08d32c0858ea6cghsaWEB
- github.com/nltk/nltk/releases/tag/v3.10.3ghsaWEB
News mentions
1- Nltk Library: 16 Vulnerabilities Including Critical RCE Disclosed in BatchVypr Intelligence · Aug 27, 2026