CVE-2026-19340: anubissbe ProjectHub-Mcp Webhooks API complete_backend.js server-side request forgery

A weakness has been identified in anubissbe ProjectHub-Mcp up to 5.0.0. This affects an unknown function of the file backend-fix/completebackend.js of the component Webhooks API. This manipulation of the argument url causes server-side request forgery. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.