Arbitrary Code Injection

Grav CMS is vulnerable to Arbitrary Code Injection. The vulnerability is due to insufficient validation of uploaded ZIP archives in the Flex Objects plugin, which allows an authenticated attacker to bypass filename validation, upload malicious PHP files to the web root, and execute arbitrary code...

Grav CMS vulnerable to remote code execution via .zip file upload

Summary A logged-in user can run any command on the server. A settings field can fill itself by calling one of Grav's built-in routines, and a safety check is supposed to allow only harmless ones. The check only recognises a routine when its name is written as one piece of text; named as a pair o...

EUVD-2026-58633

Grav CMS vulnerable to remote code execution via .zip file upload...

GHSA-R94F-HX44-8JQF Grav CMS vulnerable to remote code execution via .zip file upload

Summary A logged-in user can run any command on the server. A settings field can fill itself by calling one of Grav's built-in routines, and a safety check is supposed to allow only harmless ones. The check only recognises a routine when its name is written as one piece of text; named as a pair o...

CVE-2026-56707

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

EUVD-2026-65205

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707

Grav Flex Objects plugin (versions 1.4.0 through 1.4.7 ) contains an authorization bypass in the flex-objects shortcode. Any user with page-edit access can embed the shortcode in a published page to render any registered Flex collection without the permission checks enforced in the admin panel's ...

CVE-2026-56707 Grav Flex Objects 1.4.0 through 1.4.7 Authorization Bypass via Shortcode

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

PT-2026-81134

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-56707: Missing Authorization

Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to...

CVE-2026-62670

Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An...

EUVD-2026-62537

Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An...

CVE-2026-62670 Fail-open authorization in grav-plugin-flex-objects admin-next API: api.access user gets full CRUD on permission-less directories (requireFlexPermission missing else-deny)

Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An...

CVE-2026-62670 Fail-open authorization in grav-plugin-flex-objects admin-next API: api.access user gets full CRUD on permission-less directories (requireFlexPermission missing else-deny)

Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An...

CVE-2026-62670

CVE-2026-62670 is a fail-open authorization flaw in the Grav Flex Objects Plugin (by Trilby Media) prior to version 1.4.3 . The requireFlexPermission() method in classes/Api/FlexApiController.php (Admin Next API) returns without denying access when a directory blueprint omits config.admin.permiss...

CVE-2026-62670: Missing Authorization

Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An...

Arbitrary Code Injection

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Arbitrary Code Injection in the settings validation process of the Flex Objects plugin via uploading a ZIP archive containing PHP code. An...

Duplicate Advisory: Remote code execution via .zip file upload in Grav CMS

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r94f-hx44-8jqf. This link is maintained to preserve external references. Original Description Grav CMS before 2.0.13 contains a remote code execution vulnerability in the Flex Objects plugin settings validation...