A broken access control vulnerability in BadChoice Handesk as of 2026-07-10 allows any authenticated agent to overwrite lead records belonging to other teams via the LeadsController@update endpoint. …

Summary

A broken access control vulnerability in BadChoice Handesk as of 2026-07-10 allows any authenticated agent to overwrite lead records belonging to other teams via the LeadsController@update endpoint. The endpoint performs no authorization check, and the Lead model has guarded set to an empty array making all columns mass-assignable. An attacker with any agent account can corrupt lead data across team boundaries.