CVE-2026-28783

Craft is a content management system CMS. Prior to 5.9.0-beta.1 and 4.17.0-beta.1, 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 ha...

CVE-2026-28783 Craft has a Twig Function Blocklist Bypass

Craft is a content management system CMS. Prior to 5.9.0-beta.1 and 4.17.0-beta.1, 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 ha...

CVE-2026-28783

CVE-2026-28783 affects Craft CMS (Craft CMS core) where a blocklist of potentially dangerous PHP functions is bypassable via Twig non-Closure arrow functions. Affected versions are prior to 5.9.0-beta.1 and 4.17.0-beta.1. Successful exploitation requires attacker permissions (production allowAdmi...

CVE-2026-28782

Craft is a content management system CMS. Prior to 5.9.0-beta.1 and 4.17.0-beta.1, 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...

CVE-2026-28782 Craft has a Permission Bypass and IDOR in Duplicate Entry Action

Craft is a content management system CMS. Prior to 5.9.0-beta.1 and 4.17.0-beta.1, 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...

CVE-2026-28782 Craft has a Permission Bypass and IDOR in Duplicate Entry Action

Craft is a content management system CMS. Prior to 5.9.0-beta.1 and 4.17.0-beta.1, 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...

CVE-2026-28781

CVE-2026-28781 affects Craft CMS. Before versions 4.17.0-beta.1 and 5.9.0-beta.1, an entry creation flow permits Mass Assignment of the authorId attribute. A user with Create Entries permission can inject the parameters authorIds[] or authorId into a POST request, which the backend may process wi...

CVE-2026-28781 Craft Affected by Entries Authorship Spoofing via Mass Assignment

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, 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...

CVE-2026-28781 Craft Affected by Entries Authorship Spoofing via Mass Assignment

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, 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...

CVE-2026-28781 Craft Affected by Entries Authorship Spoofing via Mass Assignment

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, 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...

CVE-2026-28697

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, an authenticated administrator can achieve Remote Code Execution RCE by injecting a Server-Side Template Injection SSTI payload into Twig template fields e.g., Email Templates. By calling the craft.app.fs.write...

CVE-2026-28697

Craft CMS (CMS, versions prior to 4.17.0-beta.1 and 5.9.0-beta.1) is affected by an authenticated-admin remote code execution (RCE) via Server-Side Template Injection (SSTI) in Twig template fields (for example, Email Templates). The underlying issue is exploitability through the craft.app.fs.wri...

CVE-2026-28697 Craft Affected by Authenticated RCE via "craft.app.fs.write()" in Twig Templates

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, an authenticated administrator can achieve Remote Code Execution RCE by injecting a Server-Side Template Injection SSTI payload into Twig template fields e.g., Email Templates. By calling the craft.app.fs.write...

CVE-2026-28696

Craft CMS is affected by CVE-2026-28696 due to missing authorization in the GraphQL directive @parseRefs. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, authenticated users and unauthenticated guests (when Public Schema is enabled) could read sensitive attributes of CMS elements by abusing {type:ID:fie...

CVE-2026-28696 Craft affected by IDOR via GraphQL @parseRefs

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the GraphQL directive @parseRefs, intended to parse internal reference tags e.g., user:1:email, can be abused by both authenticated users and unauthenticated guests if a Public Schema is enabled to access sensitive...

CVE-2026-28696 Craft affected by IDOR via GraphQL @parseRefs

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the GraphQL directive @parseRefs, intended to parse internal reference tags e.g., user:1:email, can be abused by both authenticated users and unauthenticated guests if a Public Schema is enabled to access sensitive...

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 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

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 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...