CVE-2026-110851

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.41.4 n8n versions 2.42.x prior to 2.42.1

Description An authorization bypass exists in the Agents create endpoint. The system accepts a caller-supplied Agent ID and verifies permissions only against the requested project, failing to verify which project actually owns the Agent. This allows an authenticated user with read-only Agent access to another project to provide an existing Agent ID to move that Agent into their own project and modify its name, schema, and version.

Recommendations Update n8n to version 2.41.4 or later. Update n8n to version 2.42.1 or later.