A vulnerability, which was classified as critical, has been found in n8n-io n8n up to 1.123.14/2.4.x. The impacted element is an unknown function of the component WebHook Trigger Handler. The manipulation leads to authentication bypass by spoofing.
This vulnerability is listed as CVE-2026-56357. The attack may be initiated remotely. There is no available exploit.
It is advisable to upgrade the affected component.
