Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts)

Summary API token permission checks only match the HTTP method and route path. The expand query parameter on task read endpoints embeds data from other permission groups task comments, reactions, time entry counts without checking whether the token holds those scopes. A token scoped only to tasks...

Duplicate Advisory: Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9rg3-v78m-26q8. This link is maintained to preserve external references. Original Description Vikunja before 2.6.0 contains an API token scope bypass vulnerability in task read endpoints where authorization fail...