EUVD-2026-54577

Kirby: System path exposure from error messages in the REST API...

EUVD-2026-45058

Kirby is an open-source content management system. In versions prior to 4.9.1 and 5.4.1, the underlying URL methods for the KirbyTags and image blocks components did not filter out malicious URL values that resolve to script execution. The vulnerability affects four first-party Kirby renderers th...

CVE-2026-45334 Kirby: Content locks disclose IDs and emails of inaccessible users from `users.access/list` permissions

Kirby is an open-source content management system. In versions prior to 4.9.1 and 5.4.1, the content-locking feature returned lock information without checking the requesting user's access permissions. Kirby's Panel includes a content-locking feature that records which user currently has a model...

EUVD-2026-45047

Kirby is an open-source content management system. Prior to 4.9.1 and 5.4.1, Kirby did not validate the model attributes that were used in its collection queries, allowing attackers to include arbitrary model methods in their queries. This includes methods with sensitive data such as password...

CVE-2026-49276

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and...

CVE-2026-49276 Kirby: Self cross-site scripting (self-XSS) in the writer field

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and...

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-2026-54003

Kirby is an open-source content management system. Prior to 4.9.4 and from 5.4.4, Kirby sites with no configured user accounts that run on publicly accessible servers behind a reverse proxy setting the Forwarded, X-Client-IP, or X-Real-IP request header could allow remote attackers to install the...

CVE-2026-54002

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize, Sane::sanitize, Sane::Html::sanitize, Sane::Svg::sanitize, Sane::Xml::sanitize, Sane::sanitizeFile, or file sanitizeContents with untruste...

Kirby CMS vulnerable to cross-site scripting (XSS) from links in KirbyTags and image blocks in the site frontend

TL;DR This vulnerability affects all Kirby sites that allow the use of the link: … KirbyTag, the link: parameter of the image: … KirbyTag, the built-in image block with a link or the HTML importer for blocks, when content is authored by users who may not be fully trusted. The attack requires an...

CVE-2026-42069

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, read access to site, user and role information is not gated by permissions. This issue has been patched in versions 4.9.0 and 5.4.0...

CVE-2026-42137

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, pages.access/list and files.access/list permissions are not consistently checked in the Panel and REST API. This issue has been patched in versions 4.9.0 and 5.4.0...

CVE-2026-42174

Kirby CMS (CVE-2026-42174) is vulnerable prior to updates 4.9.0 and 5.4.0: user avatars could be created, replaced, or deleted without proper user.update/users.update permission checks. The root cause is missing authorization gating for avatar actions, allowing users with only file permissions to...

Kirby 安全漏洞

Kirby is a set of open-source content management systems based on files. Versions of Kirby prior to 4.9.0 and 5.4.0 have security vulnerabilities. These vulnerabilities stem from insufficient checks for consistency in permissions for functions like Panel and REST API’s pages.access/list and...

Kirby 安全漏洞

Kirby is a set of open-source content management systems based on files. Versions of Kirby prior to 4.9.0 and 5.4.0 have security vulnerabilities. These vulnerabilities stem from the system’s API endpoints leaking license data and installed versions to authenticated users...

CVE-2026-40099

Kirby is an open-source content management system. Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... It is also possible to customize th...

EUVD-2026-25371

Kirby is an open-source content management system. Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... It is also possible to customize th...

CVE-2026-41325 Kirby is vulnerable to authorization bypass during page, file and user creation via blueprint injection

Kirby is an open-source content management system. Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... It is also possible to customize th...

CVE-2026-34587

Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... ...

EUVD-2026-25368

Kirby is an open-source content management system. Kirby's Xml::value method has special handling for blocks. If the input value is already valid CDATA, it is not escaped a second time but allowed to pass through. However, prior to versions 4.9.0 and 5.4.0, it was possible to trick this check int...