CVE-2026-65828 Zammad: Pending upload deletion bypass via legacy attachment endpoint

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the legacy destroyform action on AttachmentsController deletes UploadCache Store records based solely on a user-supplied formid without verifying that the requesting user owns those records. An authenticated...

CVE-2026-65828

The open-source helpdesk system Zammad contains a vulnerability in its AttachmentsController prior to version 7.1.2 . The legacy destroy_form action deletes UploadCache Store records based on a user-supplied form_id without verifying ownership. An authenticated attacker who obtains another user's...

CVE-2026-65828: Missing Authorization

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the legacy destroyform action on AttachmentsController deletes UploadCache Store records based solely on a user-supplied formid without verifying that the requesting user owns those records. An authenticated...