CVE-2026-49274 Kirby: `pages.access` permission is not checked in the pages picker for parent pages

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the pages field with roles that have the pages.access permission disabled allowed authenticated users to provide an inaccessible parent page or site to the page picker backend and confirm arbitrary page...

CVE-2026-49274

CVE-2026-49274 affects Kirby CMS prior to versions 4.9.4 and 5.4.4. When the pages field is used and a role has pages.access disabled, authenticated users could supply an inaccessible parent page or site to the page picker backend, enabling confirmation of page existence and retrieval of title fi...

CVE-2026-49274 Kirby: `pages.access` permission is not checked in the pages picker for parent pages

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the pages field with roles that have the pages.access permission disabled allowed authenticated users to provide an inaccessible parent page or site to the page picker backend and confirm arbitrary page...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the backend logic for the pages picker process. An attacker can confirm the existence of arbitrary pages and retrieve the value of the title field by providing the full path to an existing page as an...

GHSA-23Q2-54QV-RQ5X Kirby: `pages.access` permission is not checked in the pages picker for parent pages

TL;DR This vulnerability affects all Kirby sites that use the pages field and where users of a particular role have no permission to access pages pages.access permission is disabled. This can be due to configuration in the user blueprints, options in the model blueprints, or a combination of both...