CVE-2026-56149CWE-770
Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service
Medium · published July 1, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 4.9 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00500 · 41.9th percentile
- Weakness
- CWE-770 · Allocation of Resources Without Limits or Throttling
- Published
- 2026-07-01T16:21Z
EPSS history
Timeline