Allocation of Resources Without Limits or Throttling Affecting github.com/elastic/fleet-server/internal/pkg/api package, versions >=8.0.0 <8.19.1>=9.0.0 <9.2.5


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.35% (28th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMELASTICFLEETSERVERINTERNALPKGAPI-17809908
  • published3 Jul 2026
  • disclosed1 Jul 2026
  • creditUnknown

Introduced: 1 Jul 2026

CVE-2026-56150  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade github.com/elastic/fleet-server/internal/pkg/api to version 8.19.1, 9.2.5 or higher.

Overview

github.com/elastic/fleet-server/internal/pkg/api is a control server to manage a fleet of elastic-agents.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the upload endpoint. An attacker can exhaust system memory by submitting specially crafted requests, potentially causing the service to become unavailable.

CVSS Base Scores

version 4.0
version 3.1