EUVD-2026-65207

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-56708 Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

EUVD-2026-65206

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresse...

CVE-2026-56708

The Grav API plugin before version 1.0.16 is affected by a server-side request forgery (SSRF) vulnerability in its webhook delivery mechanism. The root cause is a DNS rebinding attack that bypasses hostname validation: an attacker who controls the authoritative DNS for a configured webhook hostna...

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...

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 ...

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...

GHSA-VWG3-W8W3-PC79 Grav: .htaccess file extension rules bypass via case variation on case-insensitive filesystems

Summary The default .htaccess shipped with Grav and the reference webserver-configs/htaccess.txt contains security rules that block direct HTTP access to sensitive file types .yaml, .yml, .php, .json, .twig, etc. under user/ and system/vendor/ directories. However, these rules lack the NC No Case...

Grav: .htaccess file extension rules bypass via case variation on case-insensitive filesystems

Summary The default .htaccess shipped with Grav and the reference webserver-configs/htaccess.txt contains security rules that block direct HTTP access to sensitive file types .yaml, .yml, .php, .json, .twig, etc. under user/ and system/vendor/ directories. However, these rules lack the NC No Case...

CVE-2026-64852

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.8, the Grav API plugin intercepts the apiKeyGenerate and apiKeyRevoke admin tasks in user/plugins/api/api.php and authorizes the caller with only admin.login. A basic panel user c...

CVE-2026-64851

Grav Shortcode Core Plugin allows for the development shortcode plugins that utilize the common format utilized by WordPress and BBCode. Prior to 6.2.2, Grav Shortcode Core passes shortcode syntax through Security::detectXss because it contains no literal less-than character, then...

CVE-2026-64850

Grav is a file-based Web platform. Prior to 2.0.7, Grav Blueprint::dynamicData in system/src/Grav/Common/Data/Blueprint.php sends an editor-controlled Class::method provider and arguments to calluserfuncarray without rejecting dangerous callback parameters. An account with admin.pages or...

CVE-2026-63408

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.0-rc.16, the Grav API plugin JwtAuthenticator::extractBearerToken accepts a JWT from the token URL query parameter on every /api/v1 route, including state-changing endpoints...

CVE-2026-63407

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.0-rc.16, the Grav API plugin CorsMiddleware returns Access-Control-Allow-Origin: and permissive OPTIONS responses for authenticated /api/v1 endpoints. JavaScript from any origin c...

CVE-2026-62672

Grav is a file-based Web platform. Prior to 2.0.4, Grav allowlists the regexreplace filter and function in system/config/security.yaml, and GravExtension::regexReplace passes an editor-controlled pattern directly to pregreplace. When security.twigcontent.processenabled is enabled, an authenticate...

CVE-2026-62673

Grav is a file-based Web platform. Prior to 2.0.4, the Grav .htaccess and webserver-configs/htaccess.txt security rules omit the Apache NC flag and therefore compare sensitive directory and file-extension patterns case-sensitively. On a case-insensitive filesystem, an unauthenticated requester ca...

CVE-2026-62666

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, Grav API plugin UsersController::createApiKey, generate2fa, and disable2fa omit the accessGrantsSuper target check used by sibling user mutation endpoints. A non-super account...

CVE-2026-62668

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, the Grav API plugin WebhookController.php accepts webhook URLs after only FILTERVALIDATEURL syntax validation, and WebhookDispatcher.php initializes cURL without CURLOPTPROTOCO...

CVE-2026-62671

Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer...