CVE-2026-56149
Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted machine learning request that causes excessive memory consumption, which may render the affected node unavailable.
| CWE | CWE-770 |
| Vendor | elastic |
| Product | elasticsearch |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 1, 2026 |
| Last Updated | Jul 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Elastic / Elasticsearch
9.4.0 ≤ 9.4.2 9.0.0 ≤ 9.3.5 8.0.0 ≤ 8.19.16