Allocation of Resources Without Limits or Throttling Affecting meridian.mediator package, versions [,2.1.1)


Severity

Recommended
0.0
high
0
10

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  • Snyk IDSNYK-DOTNET-MERIDIANMEDIATOR-16115267
  • published28 Apr 2026
  • disclosed16 Apr 2026
  • creditUnknown

Introduced: 16 Apr 2026

New CVE NOT AVAILABLE CWE-770  (opens in a new tab)

How to fix?

Upgrade Meridian.Mediator to version 2.1.1 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the MappingEngine.TryMapCollectionOntoExisting object through Map(src) call. An attacker can exhaust system resources and cause application downtime by submitting large collection payloads that bypass intended safety caps.

Note:

The vendor disclosed several security gaps in publicly accessible APIs, ranging from Low to High severity. For more details see their Security Advisory.

CVSS Base Scores

version 4.0
version 3.1