CVE-2026-102409
Received
Received - Intake
Uncontrolled Recursion in Elasticsearch Leads to DoS
Vulnerability report for CVE-2026-102409, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-06
Last updated on: 2026-10-06
Assigner: Elastic
Description
Description
Uncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation (CAPEC-130).
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Elastic | Elasticsearch | 9.2.0 |
| Elastic | Elasticsearch | 9.3.0 |
| Elastic | Elasticsearch | 9.4.0 |
| Elastic | Elasticsearch | 9.5.0 |
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. |
