CVE-2026-56150 MEDIUM

CVE-2026-56150: Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service

Vendor Elastic
Product Fleet Server
Weakness CWE-770 · Uncontrolled resource consumption
Published July 1, 2026
Last update July 1, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server unavailable.

Key dates

02Disclosure timeline

July 1, 2026 CVE published
July 1, 2026 Record updated