CVE-2026-42230 | n8n-io n8n up to 1.123.31/2.17.3/2.18.0 /mcp-oauth/register redirect_uri (GHSA-f6x8-65q6-j9m9)

A vulnerability, which was classified as problematic, has been found in n8n-io n8n up to 1.123.31/2.17.3/2.18.0. This affects an unknown part of the file /mcp-oauth/register. This manipulation of the argument redirect_uri causes open redirect.

This vulnerability appears as CVE-2026-42230. The attack may be initiated remotely. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More