CVE-2026-72782: Exposure of Resource to Wrong Sphere

Craft CMS versions = 5.0.0-RC1 before 5.10.6 and = 4.0.0-RC1 before 4.18.2 interpolate environment variables and secrets via $ENVVAR strings in the elementId parameter into Twig templates before rendering, even when the Twig sandbox is enabled. An authenticated attacker with control panel access...

GHSA-WG23-69C2-GJC8 Craft CMS: Passkey login accepts replayed WebAuthn assertions

Craft CMS passkey login accepts WebAuthn requestOptions from the unauthenticated login request body and does not persist the updated credential counter returned by the WebAuthn assertion validator. A captured passkey login request body can therefore be replayed because the old challenge is accept...

Craft CMS: Passkey login accepts replayed WebAuthn assertions

Craft CMS passkey login accepts WebAuthn requestOptions from the unauthenticated login request body and does not persist the updated credential counter returned by the WebAuthn assertion validator. A captured passkey login request body can therefore be replayed because the old challenge is accept...

Replay Attack

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Replay Attack through the users/login-with-passkey process. An attacker can gain unauthorized access to user accounts by replaying a previously captured passkey login request body, as the...

PT-2026-76008

Craft CMS passkey login accepts WebAuthn requestOptions from the unauthenticated login request body and does not persist the updated credential counter returned by the WebAuthn assertion validator. A captured passkey login request body can therefore be replayed because the old challenge is accept...

Craft CMS: Arbitrary file read via SplFileObject in non-sandboxed template contexts

The create Twig function introduced in 5.9.0 allows instantiation of arbitrary PHP classes from template code, restricted only by a 5-entry blocklist. SplFileObject is not in the blocklist, enabling arbitrary file read, including .env security key, DB credentials and the passwd file from...

Incomplete List of Disallowed Inputs

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via the create function in non-sandboxed template contexts. An attacker can access arbitrary files on the server filesystem by instantiating SplFileObject...

GHSA-596P-6JV8-775V Craft CMS: Authenticated leak of secret environment variables

Environment variables and secrets are interpolated into a Twig template even when the Twig sandbox is enabled, allowing them to be leaked by an authenticated attacker. The Craft vulnerability CVE-2026-31857 was only patched by applying sandboxed Twig templating. This theoretically protects Craft...

Craft CMS: Authenticated leak of secret environment variables

Environment variables and secrets are interpolated into a Twig template even when the Twig sandbox is enabled, allowing them to be leaked by an authenticated attacker. The Craft vulnerability CVE-2026-31857 was only patched by applying sandboxed Twig templating. This theoretically protects Craft...

Craft CMS: Authorization bypass: view-only Categories user can modify category structure via structures/move-element

A control-panel user who holds only the viewCategories permission for a category group and not saveCategories can permanently modify that group's category structure — reordering and re-parenting categories via the structures/move-element action. A read-time authorization grant that a write endpoi...

Incorrect Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Incorrect Authorization through the structures/move-element process. An attacker can alter the ordering and nesting of categories, affecting their URLs and potentially corrupting navigation o...

GHSA-RVMM-V933-JGXQ Craft CMS: Missing authorization check allows non-admin control panel users access to user registration metrics

ChartsController::actionGetNewUsersData at /actions/charts/get-new-users-data is missing a requirePermission'viewUsers' authorization check. Any authenticated control panel user, regardless of permissions beyond accessCp, can POST to this endpoint to receive time-series user registration counts f...

Missing Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Missing Authorization in the actionGetNewUsersData process. An attacker can access aggregate user registration metrics by sending POST requests to the /actions/charts/get-new-users-data...

Craft CMS: Incorrect path validation could potentially lead to path traversal

The ensurePathIsContained function of the Local file system class is theoretically vulnerable to path traversal, although no exploitable scenario has been discovered. When a file is read, an Asset object uses the getFileStream method of the Volume where the asset file is stored, which in turn use...

Cross-site Scripting (XSS)

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the draftName field in the control panel rendering process. An attacker can execute arbitrary JavaScript in the session of higher-privileged users by crafting a...

Improper Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Improper Authorization via the elements/save process. An attacker can change their own password without providing the current password, and, if possessing the edit users permission, can chang...

GHSA-F5WM-88JV-G5HX Craft CMS: Authenticated RCE through Twig sandbox escape

The Twig sandbox mechanism in Craft CMS is configured to allow dangerous functionality from the Yii framework, leading to authenticated RCE in a manner similar to previously disclosed vulnerabilities. The Twig sandbox in Craft CMS works by implementing Twig's SecurityPolicyInterface. The resultin...

Missing Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Missing Authorization via the reorder-sets process. An attacker can modify the order of global sets in the project configuration by sending a POST request to /actions/globals/reorder-sets as ...

Craft CMS: Authenticated RCE via `condition.config` JSON cleanse bypass

Craft CMS has an authenticated remote code execution issue in the control panel element-search condition handling. Craft cleans the outer request-controlled condition array with Component::cleanseConfig, but Conditions::createCondition later decodes and merges the JSON string in condition.config...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes via the condition.config process. An attacker can execute arbitrary operating system commands, read sensitive...