Unsafe Reflection

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Unsafe Reflection via the set and get methods in the Behavior class. An administrator can execute arbitrary code on the server by submitting a JSON payload that attaches a maliciousBehavior...

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

Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Resources: https://github.com/craftcms/cms/commit/6e608a1a5bfb36943f94f584b7548ca542a86fef...

GHSA-255J-QW47-WJH5 Craft CMS vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior

Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Resources: https://github.com/craftcms/cms/commit/6e608a1a5bfb36943f94f584b7548ca542a86fef...

Unauthenticated Craft CMS users can trigger a database backup

Unauthenticated users can trigger database backup operations the updater/backup action, potentially leading to resource exhaustion or information disclosure. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Craft 3 users should update to the latest Craft 4 and...

GHSA-V64R-7WG9-23PR Unauthenticated Craft CMS users can trigger a database backup

Unauthenticated users can trigger database backup operations the updater/backup action, potentially leading to resource exhaustion or information disclosure. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Craft 3 users should update to the latest Craft 4 and...

Template Injection

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Template Injection via the map filter in Twig templates when processing text fields that accept Twig input in the control panel settings or through the System Messages utility. An attacker ca...

Craft CMS vulnerable to potential authenticated Remote Code Execution via Twig SSTI

For this to work, users must have administrator access to the Craft Control Panel, and allowAdminChanges must be enabled for this to work, which is against Craft CMS' recommendations for any non-dev environment...

GHSA-742X-X762-7383 Craft CMS vulnerable to potential authenticated Remote Code Execution via Twig SSTI

For this to work, users must have administrator access to the Craft Control Panel, and allowAdminChanges must be enabled for this to work, which is against Craft CMS' recommendations for any non-dev environment...

GHSA-X27P-WFQW-HFCC Craft CMS vulnerable to Server-Side Request Forgery (SSRF) via GraphQL Asset Upload Mutation

The Craft CMS GraphQL saveAsset mutation is vulnerable to Server-Side Request Forgery SSRF. This vulnerability arises because the file input, specifically its url parameter, allows the server to fetch content from arbitrary remote locations without proper validation. Attackers can exploit this by...

Craft CMS vulnerable to Server-Side Request Forgery (SSRF) via GraphQL Asset Upload Mutation

The Craft CMS GraphQL saveAsset mutation is vulnerable to Server-Side Request Forgery SSRF. This vulnerability arises because the file input, specifically its url parameter, allows the server to fetch content from arbitrary remote locations without proper validation. Attackers can exploit this by...

Craft CMS vulnerable to potential information disclosure via unchecked asset relocation

Authenticated users on a Craft installation could potentially expose sensitive assets via their user profile photo via maliciously crafted requests. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Resources:...

GHSA-53VF-C43H-J2X9 Craft CMS vulnerable to potential information disclosure via unchecked asset relocation

Authenticated users on a Craft installation could potentially expose sensitive assets via their user profile photo via maliciously crafted requests. Users should update to the patched versions 5.8.21 and 4.16.17 to mitigate the issue. Resources:...

Craft CMS 安全漏洞

Craft CMS is an open source content management system CMS from Craft CMS. A security vulnerability exists in Craft CMS versions 5.0.0-RC1 through 5.8.20 and 3.0.0 through 4.16.16, which originates from a database backup operation that can be triggered by an unauthenticated user, which could resul...

Craft CMS 代码问题漏洞

Craft CMS is a content management system CMS open source by Craft CMS. A code issue vulnerability exists in Craft CMS versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16, which stems from insufficient validation of the url parameter in a GraphQL mutation, and could lead to a server-si...

PT-2026-21652

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 is a content management system CMS. The SSRF validation in Craft CMS’s GraphQL Asset mutation uses gethostbyname, which only resolves IPv4...

PT-2026-1344

Name of the Vulnerable Software and Affected Versions Craft versions 5.0.0-RC1 through 5.8.20 Craft versions 4.0.0-RC1 through 4.16.16 Description Craft is a platform for creating digital experiences. The GraphQL save Asset mutation is susceptible to Server-Side Request Forgery SSRF. The issue...

Craft CMS 信息泄露漏洞

Craft CMS is a content management system CMS open source by Craft CMS. An information disclosure vulnerability exists in Craft CMS versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16, which stems from improper handling of a user's profile photo, which could lead to the exposure of...

PT-2026-1345

Name of the Vulnerable Software and Affected Versions Craft versions 5.0.0-RC1 through 5.8.20 Craft versions 4.0.0-RC1 through 4.16.16 Description Craft is susceptible to authenticated Remote Code Execution RCE through a Twig Server-Side Template Injection SSTI. Successful exploitation requires...

Craft CMS 安全漏洞

Craft CMS is an open source content management system CMS from Craft CMS. A security vulnerability exists in Craft CMS versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16, which stems from a malicious add-on behavior that could lead to authenticated remote code execution...

PT-2026-1343

Name of the Vulnerable Software and Affected Versions Craft versions 5.0.0-RC1 through 5.8.20 Craft versions 4.0.0-RC1 through 4.16.16 Description Craft is a platform for creating digital experiences. Authenticated users on a Craft installation could potentially expose sensitive assets via their...