6.5
MEDIUM CVSS 3.1
CVE-2026-56150
Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service
Description

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.

INFO

Published Date :

July 1, 2026, 4:26 p.m.

Last Modified :

July 1, 2026, 4:26 p.m.

Remotely Exploit :

Yes !

Source :

elastic
Affected Products

The following products are affected by CVE-2026-56150 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Elastic fleet_server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 271b6943-45a9-4f3a-ab4e-976f3fa05b5a
CVSS 3.1 MEDIUM [email protected]
Solution
Apply vendor updates to Fleet Server to prevent excessive memory consumption and denial of service.
  • Update Fleet Server to the latest available version.
  • Configure resource limits for the upload endpoint.
  • Monitor memory usage for the Fleet Server process.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-56150 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.