Improper Handling of Highly Compressed Data (Data Amplification) Affecting @n8n/config package, versions <2.24.0


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Social Trends
EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-JS-N8NCONFIG-17430992
  • published23 Jun 2026
  • disclosed23 Jun 2026
  • creditUnknown

Introduced: 23 Jun 2026

NewCVE-2026-54314  (opens in a new tab)
CWE-409  (opens in a new tab)

How to fix?

Upgrade @n8n/config to version 2.24.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) via the Decompress operation in the Compression node. An attacker can cause the process to terminate and disrupt all workflows by sending a specially crafted compressed archive to a public webhook workflow, leading to memory exhaustion.

CVSS Base Scores

version 4.0
version 3.1