Medium severity6.5NVD Advisory· Published Jul 1, 2026· Updated Jul 2, 2026

CVE-2026-49090

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.

Affected products

osv-coords
pkg:bitnami/elasticsearch
Range: >= 7.0.0, < 7.17.24
Elastic/Elasticsearch2 versions
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*range: >=7.0.0,<7.17.24
- (no CPE)
Fantastic ElasticSearch/Fantastic ElasticSearchllm-fuzzy

Patches

Vulnerability mechanics

References

discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52nvdVendor Advisory

News mentions

No linked articles in our index yet.

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