Deserialization of Untrusted Data (CWE-502) in the Elasticsearch machine learning component can lead to remote code execution via Object Injection (CAPEC-586). A specially crafted trained model artifact could cause attacker-controlled logic to execute with a materially broader system-call surface than intended. Exploitation requires an authenticated user with sufficient privileges to create and deploy trained models.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Elastic Elasticsearch | — | Upgrade Elastic Elasticsearch to the latest version | Sep 23, 2026 | Sep 1, 2026 |
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