CVE-2026-103259 | n8n-io n8n up to 2.39.5/2.40.0 Dynamic Credentials improper authorization

October 1, 2026 Yanac

A vulnerability has been found in n8n-io n8n up to 2.39.5/2.40.0 and classified as problematic. This impacts an unknown function of the component Dynamic Credentials. This manipulation causes improper authorization.

This vulnerability is tracked as CVE-2026-103259. The attack is possible to be carried out remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More