ElasticCVE-2026-49090
Elasticsearch: resource exhaustion
Medium6.5CVE-2026-49090 · Published Jul 1, 2026 · updated Jul 2, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Elasticsearch Product | >= 8.0.0, <= 8.14.3 | No fix yet |
| >= 7.0.0, <= 7.17.23 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400
More Elastic advisories
All Elastic| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 1 | Elastic Kibana: tampering | High8.0 | No fix yet |
| Jul 1 | Elastic Fleet Server: denial of service | Medium6.5 | No fix yet |
| Jul 1 | Elastic Kibana: improper input validation | Medium6.5 | No fix yet |
| Jul 1 | Elastic Kibana: improper authorization | Medium5.3 | No fix yet |
| Jul 1 | Elasticsearch: denial of service | Medium6.5 | No fix yet |
| Jul 1 | Elasticsearch: denial of service | Medium4.9 | No fix yet |