CVE-2026-56148
Received
Received - Intake
Uncontrolled Recursion in Elasticsearch Leads to DoS
Vulnerability report for CVE-2026-56148, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-01
Last updated on: 2026-07-01
Assigner: Elastic
Description
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| elastic | elasticsearch | From 8.0.0 (inc) to 8.19.16 (inc) |
| elastic | elasticsearch | From 9.0.0 (inc) to 9.4.2 (inc) |
| elastic | elasticsearch | 8.19.17 |
| elastic | elasticsearch | 9.3.6 |
| elastic | elasticsearch | 9.4.3 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-674 | The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. |
