GHSA-H4FW-6R7F-W494 Webauthn has a User Verification Downgrade via Default-Open ClientOverridePolicy

Summary In version 5.3.0 of the Symfony bundle, Webauthn\Bundle\Policy\ClientOverridePolicy defaulted to allowing all client overrides, including userVerification. A client could send "userVerification": "discouraged" in the assertion or attestation options request to override a server-configured...

Webauthn has a User Verification Downgrade via Default-Open ClientOverridePolicy

Summary In version 5.3.0 of the Symfony bundle, Webauthn\Bundle\Policy\ClientOverridePolicy defaulted to allowing all client overrides, including userVerification. A client could send "userVerification": "discouraged" in the assertion or attestation options request to override a server-configured...

GHSA-GHC5-95C2-VWCV Auth0 Symfony SDK has Insufficient Entropy in Cookie Encryption

Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? Consumers are affected if their application meets the following preconditions: - It...

Auth0 Symfony SDK has Insufficient Entropy in Cookie Encryption

Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? Consumers are affected if their application meets the following preconditions: - It...

Server-Side Template Injection

Craft CMS is vulnerable to Server-Side Template Injection. The vulnerability is due to unsafe exposure of the create Twig function enabling arbitrary object instantiation combined with a Symfony Process gadget chain, which allows an attacker to execute arbitrary code on the server...

Symfony-RCE

Symfony-RCE Exploit for the Symfony fragment Remote Code E...

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 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...

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...

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...

GHSA-94RC-CQVM-M4PW Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

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. This bypasses the fix implemented for CVE-2025-57811 patched in 5.8.7. Required Permissions - Administrator permissions or access...

Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

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. This bypasses the fix implemented for CVE-2025-57811 patched in 5.8.7. Required Permissions - Administrator permissions or access...

PT-2026-22947

Name of the Vulnerable Software and Affected Versions Craft CMS versions 5.8.21 Craft CMS versions prior to 4.17.0-beta.1 Craft CMS versions prior to 5.9.0-beta.1 Description Craft CMS contains an authenticated Remote Code Execution RCE issue. This occurs through Server-Side Template Injection...

Symfony < 5.4.51 / 6.4.x < 6.4.33 / 7.3.x < 7.3.11 / 7.4.x < 7.4.5 / 8.0.x < 8.0.5 Process Component Argument Injection (GHSA-r39x-jcww-82v6)

The version of Symfony installed on the remote host is prior to 5.4.51, or 6.4.x prior to 6.4.33, or 7.3.x prior to 7.3.11, or 7.4.x prior to 7.4.5, or 8.0.x prior to 8.0.5. It is, therefore, affected by an argument injection vulnerability in the Process component. The Symfony Process component d...

Symfony Process Component < 5.4.51 / 6.4.x < 6.4.33 / 7.3.x < 7.3.11 / 7.4.x < 7.4.5 / 8.0.x < 8.0.5 Argument Injection (GHSA-r39x-jcww-82v6)

The version of Symfony Process Component installed on the remote host is prior to 5.4.51, or 6.4.x prior to 6.4.33, or 7.3.x prior to 7.3.11, or 7.4.x prior to 7.4.5, or 8.0.x prior to 8.0.5. It is, therefore, affected by an argument injection vulnerability. The Symfony Process component did not...

CVE-2026-24739

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.51, 6.4.33, 7.3.11, 7.4.5, and 8.0.5, the Symfony Process component did not correctly treat some characters notably = as “special” when escaping arguments on Windows. When PHP i...