medium6.5
CVE-2026-56148
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130).
Impact
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted query that causes excessive resource consumption while the request is processed, which may render the affected node unavailable.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Elasticsearch | from 8.0.0 before 8.19.17 from 9.0.0 before 9.3.6 from 9.4.0 before 9.4.3 |