EUVD-2026-28836

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of...

Avo: Broken Access Control Through Unauthorized Execution of Arbitrary Action Classes Across Resources

Summary A critical Broken Access Control vulnerability was identified in the ActionsController of the Avo framework v3.x. Due to insecure action lookup logic, an authenticated user can execute any Action class descendants of Avo::BaseAction on any resource, even if the action is not registered fo...