A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the availability of indexing operations on the affected node.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Elastic Elasticsearch | — | Upgrade Elastic Elasticsearch to the latest version | Sep 23, 2026 | Aug 13, 2026 |
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