CVE-2026-59206

HighCVSS 7.1/10Last modified Oct 25, 2026

Description

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated requests to be treated as a privileged user and exposing user and project listing endpoints. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Weakness enumeration

CWE-1321

Affected software

No affected versions have been published.

Timeline

Published
Jul 9, 2026
Last modified
Oct 25, 2026
NVD status
Analyzed

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CVE-2026-59206: High severity, CVSS 7.1 | Vulnix