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CVE-2026-59240
The vulnerability involves an Insecure Direct Object Reference (IDOR) in the DeleteNotificationController::delete() method at endpoint GET /notification/delete/{id}. The flaw allows any authenticated user, regardless of company or permissions, to delete notifications belonging to any other user in the system. The controller retrieves the target record with Notification::findOrFail($id) and deletes it without validating user_id or company_id ownership, unlike the sibling SetNotificationReadAjaxController, which correctly scopes lookups by Auth::id(). Because notification identifiers are sequential, an attacker can iterate over IDs to systematically delete notifications belonging to any user, denying them visibility of ticket alerts, task assignments, and other system events.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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