InvoiceShelf up to 2.3.x Note Policy destroy improper authorization

Summaryinfo

A vulnerability identified as critical has been detected in InvoiceShelf up to 2.3.x. Impacted is the function NotesController::show/NotesController::update/NotesController::destroy of the component Note Policy. The manipulation leads to improper authorization. This vulnerability is traded as CVE-2026-55382. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in InvoiceShelf up to 2.3.x and classified as critical. This issue affects the function NotesController::show/NotesController::update/NotesController::destroy of the component Note Policy. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. Prior to version 2.4.0, InvoiceShelf NotesController::show, NotesController::update, and NotesController::destroy authorize only the generic view notes or manage notes ability and do not pass the route-bound Note to NotePolicy::viewNotes or NotePolicy::manageNotes, so neither method checks the target note's company_id. Because the Note model has no global company scope, an authenticated staff user with ordinary note abilities can select another company's sequential note identifier and read, modify, or delete its reusable invoice, estimate, and payment note templates. This issue is fixed in version 2.4.0.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-55382 since 06/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 2.4.0 eliminates this vulnerability.

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Productinfo

Name

• InvoiceShelf

Version

• 2.0
• 2.1
• 2.2
• 2.3

Website

• Product: https://github.com/InvoiceShelf/InvoiceShelf/

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