CVE-2026-28695

Summary of CVE-2026-28695 : Craft CMS 5.8.21 is vulnerable to an authenticated RCE via Server-Side Template Injection using the Twig create() function to trigger a Symfony Process gadget chain. The create() function exposes Craft::createObject(), enabling instantiation of arbitrary PHP classes wi...

CVE-2026-28695

Craft is a content management system CMS. There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create Twig function combined with a Symfony Process gadget chain. The create Twig function exposes Craft::createObject, which allows instantiation of...

CVE-2026-28695 Craft affected by authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

Craft is a content management system CMS. There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create Twig function combined with a Symfony Process gadget chain. The create Twig function exposes Craft::createObject, which allows instantiation of...

CVE-2026-28695 Craft affected by authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

Craft is a content management system CMS. There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create Twig function combined with a Symfony Process gadget chain. The create Twig function exposes Craft::createObject, which allows instantiation of...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to 5.8.22 and 4.16.18 of Craft CMS had security vulnerabilities. These vulnerabilities stemmed from the use of the Twig map filter in text fields, which could allow the construction of malicious payloads,...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Version 5.8.21 of Craft CMS contains a security vulnerability. This vulnerability stems from server-side template injection via the create Twig function, combined with the Symfony Process toolchain, potentially allowing...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 5.9.0-beta.1 and 4.17.0-beta.1 contained security vulnerabilities. These vulnerabilities stemmed from a lack of permission verification during repeated entry operations, which could allow...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 4.17.0-beta.1 and 5.9.0-beta.1 contained security vulnerabilities. These vulnerabilities stemmed from the lack of validation during the creation of entries, allowing large amounts of values t...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 5.9.0-beta.2 and 4.17.0-beta.2 contained security vulnerabilities. These vulnerabilities stemmed from the actionSendActivationEmail endpoint, which was exposed to unverified users and lacked...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 4.17.0-beta.1 and 5.9.0-beta.1 contained security vulnerabilities. These vulnerabilities stemmed from a lack of authorization checks in GraphQL directives like @parseRefs, which could allow...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to Craft CMS 5.9.0-beta.1 and 4.17.0-beta.1 contained security vulnerabilities. These vulnerabilities stemmed from incomplete permission lists, which could allow attackers with specific privileges to...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft Foundation. Versions prior to Craft CMS 4.17.0-beta.1 and 5.9.0-beta.1 contained security vulnerabilities. These vulnerabilities stemmed from server-side template injection attacks, where payloads were injected into Twig...

GHSA-QC86-Q28F-GGWW Craft CMS has potential authenticated Remote Code Execution via Twig SSTI

For this to work, the attacker must have administrator access to the Craft Control Panel, and allowAdminChanges must be enabled, which is against Craft CMS' recommendations for any non-dev environment. https://craftcms.com/knowledge-base/securing-craftset-allowAdminChanges-to-false-in-production...

Craft CMS has potential authenticated Remote Code Execution via Twig SSTI

For this to work, the attacker must have administrator access to the Craft Control Panel, and allowAdminChanges must be enabled, which is against Craft CMS' recommendations for any non-dev environment. https://craftcms.com/knowledge-base/securing-craftset-allowAdminChanges-to-false-in-production...

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 duplicateElements function. An attacker can gain unauthorized access and duplicate other users' entries by sending direct requests wit...

Craft CMS has Permission Bypass and IDOR in Duplicate Entry Action

Description The "Duplicate" entry action does not properly verify if the user has permission to perform this action on the specific target elements. Even with only "View Entries" permission where the "Duplicate" action is restricted in the UI, a user can bypass this restriction by sending a direc...

GHSA-5FVC-7894-GHP4 Craft CMS has Twig Function Blocklist Bypass

Craft CMS implements a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow functions. In order to be able to successfully execute this attack, you need to either have allowAdminChanges enabled on production, or a compromised admin account, or an...

Craft CMS has Twig Function Blocklist Bypass

Craft CMS implements a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow functions. In order to be able to successfully execute this attack, you need to either have allowAdminChanges enabled on production, or a compromised admin account, or an...

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 authorId parameter during the entry creation. An attacker can assign authorship of new entries to...

Craft CMS: Entries Authorship Spoofing via Mass Assignment

Description The entry creation process allows for Mass Assignment of the authorId attribute. A user with "Create Entries" permission can inject the authorIds or authorId parameter into the POST request, which the backend processes without verifying if the current user is authorized to assign...