CVE-2026-44176 Kirby: `pages.access` permission is not checked during rendering of page drafts

Kirby is an open-source content management system. Versions prior to 4.9.1 and 5.4.1 do not check the pages.access permission during page draft rendering. Permissions are defined for each user role in the user blueprint site/blueprints/users/.... It is also possible to customize the permissions f...

CVE-2026-44176 Kirby: `pages.access` permission is not checked during rendering of page drafts

Kirby is an open-source content management system. Versions prior to 4.9.1 and 5.4.1 do not check the pages.access permission during page draft rendering. Permissions are defined for each user role in the user blueprint site/blueprints/users/.... It is also possible to customize the permissions f...

CVE-2026-61450 Grav before 2.0.2 Config Exfiltration via offsetGet Filter

Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author any admin.pages user, or anyone able to write to user/pages to exfiltrate configuration secrets. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method...

CVE-2026-54005

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where a role has the pages.access permission disabled allowed authenticated users who know or guess page IDs or UUIDs to retrieve page information, including full content and metadata, for arbitrary published...

CVE-2026-54005

Kirby CMS has a vulnerability tracked as CVE-2026-54005 where the /api/site/find route does not check the pages.access permission. Prior to versions 4.9.4 and 5.4.4, authenticated users who know or guess page IDs or UUIDs could retrieve full page content and metadata for arbitrary published pages...

CVE-2026-54005 Kirby: `pages.access` permission is not checked in the `site/find` REST API route

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where a role has the pages.access permission disabled allowed authenticated users who know or guess page IDs or UUIDs to retrieve page information, including full content and metadata, for arbitrary published...

CVE-2026-54005 Kirby: `pages.access` permission is not checked in the `site/find` REST API route

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where a role has the pages.access permission disabled allowed authenticated users who know or guess page IDs or UUIDs to retrieve page information, including full content and metadata, for arbitrary published...

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...

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...

Kirby: `pages.access` permission is not checked in the `site/find` REST API route

TL;DR This vulnerability affects all Kirby sites 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 settings. It was possible to...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the /api/site/find route. An attacker can access sensitive page information, including full content and metadata, by sending requests with known or guessed page IDs or UUIDs as an authenticated user. This is on...

GHSA-R3W8-2C5R-H9J9 Kirby: `pages.access` permission is not checked in the `site/find` REST API route

TL;DR This vulnerability affects all Kirby sites 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 settings. It was possible to...

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...

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...

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...

PT-2026-50726

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description Missing authorization in the content management system allows authenticated users to retrieve information for arbitrary published pages. By knowing or guessing page IDs or...

CVE-2026-8238

Concrete CMS 9.5.0 and below is vulnerable to IDOR. The '/ccm/frontend/conversations/messagepage' endpoint returns the full content of any conversation message. An unauthenticated attacker can enumerate all conversation messages, including messages from restricted pages, member-only areas, and th...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the pages.access permission check during the rendering process of page drafts. An attacker can gain unauthorized access to sensitive page draft content by authenticating as a user without the required permission...

Kirby CMS's `pages.access` permission is not checked during rendering of page drafts

TL;DR This vulnerability affects all Kirby sites 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, via options in the model blueprints or via a combination of both settings. Kirby sites...