CVE-2026-42228

medium
Published 2026-05-04 · Modified 2026-05-08
CVSS v3
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS v2
VIR risk
6.5

Description

n8n Vulnerable to Hijacking of Unauthenticated Chat Execution

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/n8n-io/n8n/security/advisories/GHSA-f77h-j2v7-g6mw

Package impact

EcosystemPackageVulnerableFixed
npm npmn8n<1.123.321.123.32
npm npmn8n>=2.18.0,<2.18.12.18.1
npm npmn8n>=2.0.0,<2.17.42.17.4
npm NPMn8n>= 2.0.0, < 2.17.42.17.4
npm NPMn8n>= 2.18.0, < 2.18.12.18.1
npm NPMn8n< 1.123.321.123.32

Application impact

VendorProductVersionsFixed
n8nn8n{"endExcluding":"1.123.32"}1.123.32
n8nn8n2.18.0

References

CWEs

CWE-862

Verify integrity in audit chain (admin only). AS-IS.