Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Exponential Data Expansion (CAPEC-197). An authenticated user may submit a specially crafted query to the ES|QL engine that causes exponential CPU consumption during query evaluation. Because the resource exhaustion persists beyond query completion, repeated requests can fully exhaust the available query worker resources, rendering ES|QL queries unavailable until the node is restarted.
Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 22 Jul 2026 13:30:00 +0000
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| Metrics |
ssvc
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Wed, 22 Jul 2026 05:15:00 +0000
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| First Time appeared |
Elastic
Elastic elasticsearch |
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| Vendors & Products |
Elastic
Elastic elasticsearch |
Tue, 21 Jul 2026 23:30:00 +0000
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| Description | Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Exponential Data Expansion (CAPEC-197). An authenticated user may submit a specially crafted query to the ES|QL engine that causes exponential CPU consumption during query evaluation. Because the resource exhaustion persists beyond query completion, repeated requests can fully exhaust the available query worker resources, rendering ES|QL queries unavailable until the node is restarted. | |
| Title | Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service | |
| Weaknesses | CWE-400 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: elastic
Published:
Updated: 2026-07-22T13:07:01.561Z
Reserved: 2026-07-16T03:26:51.579Z
Link: CVE-2026-63263
Updated: 2026-07-22T13:06:57.917Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-22T05:00:07Z
Weaknesses