CVE-2026-42235

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an unauthenticated attacker could register a malicious MCP OAuth client with a crafted clientname. If a victim user authorized the OAuth consent dialog and a second user subsequently revoked that...

The vulnerability of the n8n automation platform lies in its improper name restriction for paths to the restricted catalog. This allows a malicious actor to execute arbitrary code.

The vulnerability of the n8n automation platform exists due to an incorrect restriction on the path name to the restricted catalog. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by processing uploaded files and transmitting them to remote servers via SSH...