CVE-2026-49090
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Description
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.
INFO
Published Date :
July 1, 2026, 5:15 p.m.
Last Modified :
July 1, 2026, 5:15 p.m.
Remotely Exploit :
Yes !
Source :
elastic
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 271b6943-45a9-4f3a-ab4e-976f3fa05b5a | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update Elasticsearch to the latest version.
- Configure resource limits for bulk requests.
- Monitor system CPU and memory usage.
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CVE-2026-49090 vulnerability anywhere in the article.