Craft CMS has Cloud Metadata SSRF Protection Bypass via DNS Rebinding

Summary The SSRF validation in Craft CMS’s GraphQL Asset mutation performs DNS resolution separately from the HTTP request. This Time-of-Check-Time-of-Use TOCTOU vulnerability enables DNS rebinding attacks, where an attacker’s DNS server returns different IP addresses for validation compared to t...

PT-2026-21609

Name of the Vulnerable Software and Affected Versions Craft CMS versions 4.5.0-RC1 through 4.16.18 Craft CMS versions 5.0.0-RC1 through 5.8.22 Description Craft CMS is susceptible to a Server-Side Request Forgery SSRF vulnerability in its GraphQL Asset mutation. The validation process performs DN...

PT-2026-21610

Name of the Vulnerable Software and Affected Versions Craft versions 4.5.0-RC1 through 4.16.18 Craft versions 5.0.0-RC1 through 5.8.22 Description Craft CMS contains a Time-of-Check-Time-of-Use TOCTOU race condition within its token validation service, specifically affecting tokens configured for...

Remote Code Execution (RCE)

craftcms/cms is vulnerable to Remote Code Execution RCE. The vulnerability is due to improper sanitization of user-supplied configuration data in the assembleLayoutFromPost function before passing it to Craft::createObject, which allows an authenticated administrator to inject malicious Yii2...

CVE-2026-26188

Solspace Freeform plugin for Craft CMS 5.x is a super flexible form-building tool. An authenticated, low-privilege user able to create/edit forms can inject arbitrary HTML/JS into the Craft Control Panel CP builder and integrations views. User-controlled form labels and integration metadata are...

CVE-2026-26188

Solspace Freeform plugin for Craft CMS 5.x is a super flexible form-building tool. An authenticated, low-privilege user able to create/edit forms can inject arbitrary HTML/JS into the Craft Control Panel CP builder and integrations views. User-controlled form labels and integration metadata are...

CVE-2026-26188 Solspace Freeform plugin affected by Stored Cross-Site Scripting (XSS) in Freeform Craft Plugin CP UI (builder/integrations)

Solspace Freeform plugin for Craft CMS 5.x is a super flexible form-building tool. An authenticated, low-privilege user able to create/edit forms can inject arbitrary HTML/JS into the Craft Control Panel CP builder and integrations views. User-controlled form labels and integration metadata are...

CVE-2026-26188 Solspace Freeform plugin affected by Stored Cross-Site Scripting (XSS) in Freeform Craft Plugin CP UI (builder/integrations)

Solspace Freeform plugin for Craft CMS 5.x is a super flexible form-building tool. An authenticated, low-privilege user able to create/edit forms can inject arbitrary HTML/JS into the Craft Control Panel CP builder and integrations views. User-controlled form labels and integration metadata are...

CVE-2026-25492

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveimagesAsset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address, bypassing hostname validation. When a...

CVE-2026-25497

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their...

CVE-2026-25498

Craft is a platform for creating digital experiences. In versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a Remote Code Execution RCE vulnerability exists in Craft CMS where the assembleLayoutFromPost function in src/services/Fields.php fails to sanitize user-supplied configuratio...

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' via the assembleLayoutFromPost function. An attacker can execute arbitrary system commands on the server by...

GHSA-7JX7-3846-M7W7 Craft CMS Vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior

Relationship to Previously Patched Vulnerability This vulnerability is in addition to the RCE vulnerability patched in GHSA-255j-qw47-wjh5. That advisory addressed a similar RCE vulnerability that affected two specific routes: - /index.php?p=admin%2Factions%2Ffields%2Fapply-layout-element-setting...

Craft CMS Vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior

Relationship to Previously Patched Vulnerability This vulnerability is in addition to the RCE vulnerability patched in GHSA-255j-qw47-wjh5. That advisory addressed a similar RCE vulnerability that affected two specific routes: - /index.php?p=admin%2Factions%2Ffields%2Fapply-layout-element-setting...

GHSA-FXP3-G6GW-4R4V Craft CMS: GraphQL Asset Mutation Privilege Escalation

There is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their privileges and modify/transfer assets belonging to any other volume, including restricted or private volumes to which they should not...

Authorization Bypass Through User-Controlled Key

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the saveAsset function. An attacker can gain unauthorized access to modify or transfer assets across restricted volumes by exploiting...

Craft CMS: GraphQL Asset Mutation Privilege Escalation

There is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their privileges and modify/transfer assets belonging to any other volume, including restricted or private volumes to which they should not...

GHSA-9F5H-MMQ6-2X78 Craft CMS Vulnerable to Stored XSS in Number Prefix & Suffix Fields

Summary A stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. Proof of Concept Required Permissions -...

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 rendering of the prefix and suffix fields in the Number field type settings without proper escaping. An attacker can execute arbitrary scripts in the context ...

Craft CMS Vulnerable to Stored XSS in Number Prefix & Suffix Fields

Summary A stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. Proof of Concept Required Permissions -...