Vulnerability in N8n-Io N8n
CVE-2026-71539
n8n is an open source workflow automation platform. Prior to 1.123.64, 2.29.8, and 2.30.1, the Git node clone operation allows an authenticated workflow user to swap a validated directory for a symlink before cloning, planting a crafted repository in the community node directory that loads as a custom JavaScript node after restart and executes arbitrary code on the server. This issue is fixed in versions 1.123.64, 2.29.8, and 2.30.1.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Affected products
- N8n-io N8n — versions < 1.123.64, >= 2.0.0-rc.0, < 2.29.8, >= 2.30.0, < 2.30.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)