GHSA-8CMM-J6C4-RR8V Vikunja has Cross-Project Information Disclosure via Task Relations — Missing Authorization Check on Related Task Read

Summary When the Vikunja API returns tasks, it populates the relatedtasks field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will...